Cardio Flashcards

1
Q

What is an accelerated idioventricular rhythm? Management?

A

Benign ectopic rhythm of ventricular origin

Occurs following reperfusion of ischaemic tissue, electrolyte abnormalities or drug toxins –> increased rate of ventricular depolarisation

Management: Self limiting

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2
Q

What are the acceptable rise in eGFR/creatinine when starting ACEi?

A

Creatinine - up to 30%
eGFR - up to 25%
K - up to 5.5

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3
Q

What is achondroplasia?

A

Autosomal dominant

Short stature
Large heart with frontal bossing
Trident hands
Lumbar lordosis

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4
Q

Management of STEMI?

A

Aim saturations >94%
GTN, IV morphine, metoclopramide

Aspirin 300mg
+Clopidogrel/Ticagrelor/Prasurgel

NOTE: Ticagrelor is now preferred over clopidogrel if medically managed. Aspirin and Prasugrel if PCI

PCI within 120 minutes

If not, fibrinolysis. If failure of resolution at 90 minutes on ECG, then transfer for PCI

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5
Q

Management of acute pericarditis? Most specific ECG finding? What should all patients have?

A

NSAID + Colchicine

ECG: PR depression most specific. Widespread saddle shaped ST elevation

All should have TTE

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6
Q

Causes of pericarditis? (8)

A
viral infections (Coxsackie)
tuberculosis
uraemia (causes 'fibrinous' pericarditis)
trauma
post-myocardial infarction, Dressler's syndrome
connective tissue disease
hypothyroidism
malignancy
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7
Q

What potentiate the effects of adenosine?

A

Dipyridamole

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8
Q

What reduces the effects of adenosine?

A

Theophyllines

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9
Q

What condition is a contraindication for adenosine?

A

Asthma

Can enhance conduction down accessory pathways i.e. WPW

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10
Q

Examples of ADP (adenosine diphosphate) receptor inhibitors?

A

Clopidogrel
Prasugrel
Ticagrelo
Ticlopidine

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11
Q

New recommendations for dual antiplatelet treatment for 12 months as secondary prevention?

A

Aspirin (75mg OD)

Ticagrelor (90mg BD)

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12
Q

What is the interaction between clopidogrel and PPIs?

A

Reduced antiplatelet effects

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13
Q

What are the four Hs and four Ts in ALS?

A

Hypoxoia
Hypovolaemia
Hyperkalaemia/Hypokalaemia/Hypoglycaemia/Hypocalcaemia
Hypothermia

Thrombosis
Tension Pneumothorax
Tamponade
Toxins

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14
Q

When is adrenaline given in VT/VF arrest?

A

After the third shock. The every 3-5 minutes (alternate cycles)

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15
Q

When is adrenaline given in asystole/PEA?

A

Immediately

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16
Q

What would amyloidosis look like on an ECG?

What might you see on echo?

A

Low voltage complexes
Poor R wave progression

Global speckled pattern on echo

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17
Q

What is drug management of angina?

A
  1. Beta-blocker or Calcium Channel blocker (verapamil or diltiazem if monotherapy. Nifedipine, amlodipine, felodipine if dual)
  2. Poor response - titrate up
  3. 1: Add second agent
  4. 2: If no response and second agent not tolerated, add long acting nitrate, ivabradine, nicorandil, ranolazine
  5. Assess for PCI or CABG

All patients:
Aspirin
Statin
GTN

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18
Q

What should you do i nitrate tolerance develops in angina?

A

Second dose after 8 hours (for IR only)

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19
Q

Antiplatelet management (first and second line):

Medically treated ACS

A

Aspirin (life)
Ticagrelor (12 mo)

OR
Clopidogrel (life)
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20
Q

Antiplatelet management (first and second line):

PCI

A

Aspirin (life)
Ticagrelor/Prasurgrel (12 mo)

OR
Clopidogrel (life)
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21
Q

Antiplatelet management (first and second line):

TIA

A

Clopidogrel (life)

OR
Aspirin (lifelong) & dipyridamole (lifelong)
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22
Q

Antiplatelet management (first and second line):

Ischaemic Stroke

A

Clopidogrel (life)

OR
Aspirin (lifelong) & dipyridamole (lifelong)
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23
Q

Antiplatelet management (first and second line):

Peripheral Arterial Disease

A

Clopidogrel (life)

OR
Aspirin (life)

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24
Q

Signs of aortic regurgitation?

A
Early diastolic murmur
Collapsing Pulse
Wide pulse pressure
Quinke's sign
De Musset's sign
Mid-diastolic Austin Flint murmur if severe
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25
Aortic dissection management. Type A vs Type B
Type A: Surgical BP aim 100-120 Type B: Conservative IV Labetalol
26
Features of aortic stenosis?
Chest pain SOB Syncope ``` Ejection systolic murmur Narrow pulse pressure Slow rising pulse Delayed ESM Soft/absent S2 S4 Thrill LVH ```
27
Management of aortic stenosis? What other investigation should be done whilst investigating and why?
Symptomatic - replace Asmyptomatic with gradient >40mmHg - consider surgery Often do angiogram at same time - so can have CABG if needed
28
What is arrhythmogenic right venticular cardiomyopathy? Typical ECG findings? Management?
Autosomal dominant Fatty and fibrofatty tissue replaced Palpitations Syncope Sudden cardiac death ``` V1-3 T Wave Inversion Epsilon Wave (terminal notch in QRS) ``` Management: Sotalol ICD Catheter Ablation
29
How to rate control AF?
Beta-blocker OR Rate-limiting calcium channel blocker (Diltiazem) If this fails, can combine with any 2 of the following: Beta-blocker Diltiazem Digoxin
30
Who can be electively cardioverted in AF? What extra precaution of high risk of failure?
Only if new onset for 48 hours --> heparinise Onset >48hrs Anticoagulated for 3 weeks and then continue for 4 weeks after (or can exclude with TOE and then heparinise and cardiovert immediately) If high risk of failure (previous failure, AF recurrence) - at least 4 weeks amiodarone or sotalol prior
31
What is CHA2DS2VASc score?
``` CCF (1) HTN (1) Age 75 (2) Age 64-75 (1) Diabetes (1) Stroke/TIA (2) Vascular Disease (1) Sex - Female (1) ``` If 0 - no treatment If 1 - male consider, female no treatment If 2 - offer anticoagulation
32
Where should atrial flutter be ablated?
Radiofrequency ablation of the tricuspid valve isthmus
33
What is an atrial myxoma? Features?
Primary cardiac tumour 75% in left atrium ``` SOB Fatigue Pyrexia Clubbing Emboli AF Mid diastolic murmur Tumour plop ```
34
Features of ASD?
ESM | Fixed split S2
35
What are the features of the two common ASDs?
Ostium Secundum 70% Higher in location ECG: RBBB with RAD Ostium Primum Abnormal AV valve Lower in location ECG: RBBB with LAD, prolonged PR
36
What is Mobitz 1?
Progressive prolongation of PR interval until dropped beat
37
What is Mobitz 2?
PR interval constant P wave often not followed by a QRS complex
38
What drug must beta blockers never be used with? Why?
Verapamil Can cause severe bradycardia
39
What is Brugada syndrome? How is it managed?
Autosomal dominant Mutation in SCN5A gene --> sodium ion channel (20-40%) Can cause sudden death Management: ICD
40
What are characteristic ECG findings of Brugada?
Convex ST elevation >2mm in V1-3 followed by negative T wave Partial RBBB May be more apparent with flecainide or ajmaline
41
Which returns lower oxygenation levels. The IVC or SVC?
SVC returns lower oxygenation levels due to the higher consumption of the brain
42
What non-invasive imaging modalities can you use for investigating the heart (i.e. following NSTEMI)
Nucelar Imaging - assess myocardial perfusion and myocardial viability Cardiac CT - calcium score - contrast CT - visualise coronary artery lumen Cardiac MRI - gold standard for structural abnormalities - perfusion
43
Beck's triad in cardiac tamponade?
Hypotension Raised JVP Muffled Heart sounds ``` Also: SOB Tachycardia Absent Y descent Pulsus paradoxus Kussmauls Electrical alternans ```
44
JVP in cardiac tamponade vs constrictive pericarditis?
Cardiac Tamponade - Absent Y descent Constrictive pericarditis X + Y present
45
Common echo findings suggestive of HOCM?
MR Systolic anterior motion of anterior mitral valve Asymmetric septal hypertrophy
46
Causes of dilated cardiomyopathy?
Alcohol Coxsackie B Wet Beri Beri Doxorubicin
47
Causes of restrictive cardiomyopathy?
Amyloidosis Post-radiotherapy Loeffler's edocarditis
48
What are the three features of typical angina?
1. Constricting discomfort in front of chest, neck, shoulders, jaw or arms 2. Precipitated by physical exertion 3. Relieved by rest or GTN in 5 minutes
49
Investigation of stable angina? ``` How is this order changed according to likely hood of coronary artery disease? >90% 61-90% 30-60% 10-29% ```
1. CT coronary angiography 2. Non-invasive functional imaging (ie. MPS with SPECT, Stress Echo, MRI) 3. Invasive Coronary Angiography >90% - no tests 61-90% - Invasive coronary angiography 30-60% - functional imaging 10-29% - CT calcium scoring
50
Features of cholesterol embolisation?
Eosinophilia Purpura Renal Failure Livedo reticularis
51
Features of complete heart block?
``` Syncope Heart Failure Regular bradycardia Wide pulse pressure JVP - cannon waves Variable intensity of S1 ```
52
Features of constrictive pericarditis?
``` SOB Right heart failure (elevated JVP< ascites, oedema, hepatomegaly) Prominant X and Y descent Pericardial knock Kussmaul's sign Pericardial calcification on CXR ```
53
How does dabigatran work? What is it used for?
Direct thrombin inhibitor Used for prevention of stroke in patients with non-valvular AF
54
Management of HTN in diabetes: What is the target BP? Target BP with end organ damage? What should first agent be?
Aim <140/80 Aim <130/80 if end organ damage Begin with ACEi regardless of age or race. If African, begin with ACEi + Thiazide/CCB
55
What are common cardiac defects found in patients with Down's syndrome?
``` Endocardial cushion defect (40%)) VSD (30%) 2. ASD (10%) ToF (5%) PDA (5) ```
56
DVLA Rules for: ``` Elective Angioplasty CABG ACS +/- PCI Angina PPM ICD (for arrhythmia, for prophylaxis) AAA >6.5cm Catheter ablation for arrhythmia ```
Elective Angioplasty - 1 week CABG - 4 weeks ACS +/- PCI - 4 weeks - 1 week if PCI Angina - stop if sx at rest PPM - 1 week ICD - 6 months (arrhythmia) - 1 month (prophylaxis) AAA >6.5cm - Banned Catheter ablation for arrhythmia - 2 days
57
ECG Criteria for electrical hypertrophy?
>40mm the sum of V1 S and V5 or V6 R
58
Bifid P wave?
Left atrial enlargement
59
ECG Bifasicular block?
RBBB + left anterior or posterior hemiblock i.e. RBBB with LAD
60
ECG Trifasicular block?
RBBB + left anterior or posterior hemiblock + 1st degree block
61
ECG Territories and Coronary Arteries Anterior Septal Inferior Anterolateral Lateral Posterior
Anterior Septal - V1-V4 - LAD Inferior - II, III, aVF - Right Coronary Anterolateral - V4-6, I, aVL - LAD or Left circumflex Lateral - I, aVL +/- V5-6 - Left circumflex Posterior - Tall R wave V1-2 - eft circumflex, also right
62
ECG Digoxin signs (4)
Downward sloping ST depression Flattened/Inverted T wave Short QT Arrhythmia
63
ECG Hypokalaemia
``` U waves Small or absent T waves Prolong PR ST depression Long QT ```
64
ECG Hypothermia
``` Bradycardia J wave (small hump at end of QRS) 1st degree block Long QT Atrial and ventricular arrhythmia ```
65
ECG P Pulmonale?
Cor Pulmonale
66
What is the significance of prolonged PR infective endocarditis?
Abscess secondary to endocarditis --> refer to cardiac surgeons
67
What is Eisenmenger's Syndrome?
Reversal of a left to right shunt in a congenital heart defect due to pulmonary hypertension ASD VSD PDA
68
How should acute heart failure patients be classified?
Four groups With or without hypoperfusion With or without fluid congestion
69
Management of heart failure? What cardiac drug class is contraindicated?
ACEi B-Blocker (bisoprolol, carvedilol, nebivolol) Spironolactone/Hydralazine with nitrates/ARB Consider CRT (If NHYA Class III, Wide QRS)/Digoxin (digoxin indicated if co-existant AF) Consider Ivabradine if HR >75, EF <35% and on maximal medical Annual influenza Vaccine One off pneumococcal vaccine Contraindicated: Rate-limiting CCB
70
What is S3 heart sound?
Rapid diastolic filling of ventricle Heard in LVH, constrictive pericarditis, mitral regurgitation
71
What is S4 heart sound?
Atrial contraction against a stiff ventricle Heard in aortic stenosis, HOCM, HTN
72
Cause of widely split S2?
RBBB Deep inspiration Pulmonary stenosis Severe MR
73
Cause of loud S2?
HTN
74
Cause of reversed split S2?
``` LBBB Severe aortic stenosis WPW Type B PDA RV pacing ```
75
Cause of fixed split S2?
ASD
76
Features of HELLP?
N&V RUQ pain Lethargy Haemolysis Elevated Liver Enzymes Low Platelet Management: Deliver baby
77
What is homocystinuria?
Autosomal recessive Defieicny in cystathionine beta synthase Severe elevations in plasma and urine homocysteine ``` Fine fine hair Marfan's like Learning difficulty Dislocation of lens Malar flush ``` Positive cyanide-nitroprusside test Positive cystinuria Treat: Vitamin B6 (pyridoxine)
78
ECG changes from hypercalcaemia?
Short QT interval
79
Diagnosis of HTN?
Clinic Reading >140/90 Offer ABPM <135/85 - Nil >135/85 - Stage 1 HTN >150/95 - Stage 2 HTN
80
Treatment of Stage 1 HTN
Only if < 80 years and any of the following: - Target organ damage - CVS disease - Renal disease - Diabetes - 10 yr score >10%
81
When should immediate HTN be arranged in clinic?
If BP > 180/110 Signs of papilloedema or retinal haemorrhages
82
Management of HTN?
Lifestyle (low salt <6g, low caffeine, stop smoking, less alcohol, Mediterranean diet, exercise, lose weight) < 55 or T2DM 1) ACEi 2) ACEi + CCB or Thiazide-like >55 or Afro-caribbean 1) ACEi 2) ACEi + CCB Common Pathy 3) ACEi + CCB + Thiazide-like 4) If K <4.5 - Spiro. If K >4.5 alpha or beta blocker
83
What is resistant HTN?
HTN requiring step four of treatment algorithm. You should seek specialist advice if this fails
84
BP Target (in clinic and home) < 80 years >80 years
<80 140/90 135/85 >80 150/90 145/85
85
Causes of secondary HTN?
Renal: - Glomerulonephritis - Pyelonephritis - APKD - Renal Artery Stenosis Endo: - Conn's - Phaeo - Cushing - Liddle's - CAH - Acromegaly Drug: - Steroids - MAOi - COC - NSAIDs - Leflunomide Other - Pregnancy - Coarctation of aorta
86
Management of Hypertrophic obstructive cardiomyopathy?
``` (ABCDE) Amiodarone Beta-blocker/verapamil Cardioverter Defibrillator Dual Chamber PPM Endocarditis Prophylaxis ``` AVOID: Nitrates ACEi Inotropes
87
Infective endocarditis: Most common organism in Developing world
Streptococcus Viridans
88
Infective endocarditis: Most common organism in Developed world
Staphylococcus Aureus
89
Infective endocarditis: Most common organism in indwelling lines (thus first 2 months following prosthetic surgery)
Staphylococcus epidermidis
90
Infective endocarditis: Most common organism in poor dental hygeine?
Streptococcus viridans (mitis or sanguinis)
91
Infective endocarditis management: Blind
Native Valve - Amox Pen Allergy - Vanc, Gent Prosthetic - Vanc, Rifampicin, Gent
92
Infective endocarditis management: Native (Staphylococci)
Flucloxacillin Pen Allergy - Vanc, Rifampicin
93
Infective endocarditis management: Prosthetic (Staphylococci)
Flucloxacillin, rifampicin, gent Pen allergy - vanc, rifampicin, gent
94
Infective endocarditis management: Streptococci (full sensitive)
Benzylpenicillin Pen Allergy - vanc + gent
95
Infective endocarditis management: Streptococci (partial sensitive)
Benzylpenicillin + gent Pen Allergy - vanc + gent
96
Indications for surgery in infective endocarditis?
Severe valve incompetence Aortic abscess Resistant to Abx Cardiac failure refractory to medical managent Recurrent emboli after Abx
97
Adverse effects of ivabradine? (3)
Visual effect (luminous phenomena) Headache Bradycardia/Heart block
98
JVP - list the order of waves
A --> C --> X --> V --> Y
99
JVP: What does the A wave represent? What do cannon A waves represent?
A = atrial contraction If large --> Tricuspid stenosis, pulmonary stenosis, pulmonary HTN Cannon A = atrial contraction against a close tricuspid valve Seen in complete HB, VT, Ectopics, Nodal Rhythm
100
JVP: What does the c wave represent?
Closure of tricuspid valve Not normally visible
101
JVP: What does the V wave represent? What do giant V waves represent?
Passive filling of blood into atrium against closed tricuspid valve Giant V waves in tricuspid regurgitation
102
JVP: What does the X descent represent?
Fall in atrial pressure during ventricular systole
103
JVP: What does the Y descent represent?
Opening of tricuspid valve
104
Management of Kawasaki disease?
High dose aspirin IVIG ECHO
105
What complicaiton of kawasaki disease are you most concerned about?
Coronary artery aneurysm
106
What are the features of kawasaki disease?
``` High grade fever >5 days Conjunctival injection Bright red, cracked lips Strawberry tongue Cervical lymphadenopathy Red palms of hands and soles of feet which later peel ```
107
How do LQT 1 patients present?
Exertional syncope
108
How do LQT 2 patients present?
Emotional syncope
109
How do LQT 3 patients present?
Die in sleep or event at night
110
Congenita LQT and Deafness
Jervell-Lange-Nielsen Syndrome
111
Congenital LQT No deafness
Romano-Ward Syndrome
112
What is Lown-Ganong-Levine Syndrome?
Pre-excitation disorder of heart Abnormal connection between atria and ventricles which bypassess AV node straight to Bundle of His Bundle of James Short PR interval
113
Features of McCune-Albright syndrome?
precocious puberty cafe-au-lait spots polyostotic fibrous dysplasia short stature
114
Causes of mitral stenosis?
Rheumatic Fever - often presents late in pregnancy (also: Mucopolysaccharidoses Carcinoid Endocardial Fibroelastosis)
115
Features of Mitral stenosis?
``` Mid-late diastolic murmur Loud S1 (opening snap) Low volume pulse Malar flush AF ``` Left Atrial Enlargement on CXR
116
Continuous machine like murmur
PDA
117
Mid-late diastolic murmur (2)
Mitral stenosis (rumbling) Austin-Flint (severe AR)
118
Early diastolic murmur (2)
Aortic Regurgitation (blowing, high pitch) Graham-Steel Murmur (Pulmonary regurgitation)
119
Late Systolic (2)
Mitral Valve prolapse Coarctation of aorta
120
Holosystolic (2)
Mitral/tricuspid regurgitation (high pitch, blowing) VSD (harsh)
121
Ejection Systolic (5)
``` Aortic stenosis Pulmonary Stenosis HOCM ASD ToF ```
122
Complications of MI (10)
1. Cardiac Arrest (VF --> ALS) 2. Cardiogenic Shock (inotropic support/intra-aortic balloon pump) 3. CHF 4. Tachyarrhythmia 5. Bradyarrhythmia 6. Pericarditis (acute, dressler's) 7. LV Aneurysm (persistent ST elevation, LV failure. Anticoagulate) 8. LV Free Wall Rupture (leads to tamponade, pericardiocentesis) 9. VSD (acute HF and pansystolic murmur) 10. Acute MR (infero-osterior infarction. Acute hypotension and pulmonary oedema)
123
Secondary prevention of MI?
``` Dual antiplatelet ACEi B-Blocker Statin Mediterranean diet Exercise ``` If signs of HF after acute MI, treat with eplerenone within days 3-14.
124
Glycaemic control in MI patients with diabetes?
Dose adjusted insulin infusion Aim < 11mmol/l
125
Causes of myocarditis?
``` Viral: Coxsackie B, HIV Bacteria: Diphtheria, clostridia Lyme disease Chagas Toxoplasmosis Autoimmune Doxorubicin ```
126
Treatment of orthostatic hypotension? How is it defined?
Drop >20/10 mgHg within 3 minutes of standing Midodrine Fludrocortisone Beware other causes i.e. alpha-blockers
127
What is a patent ductus arteriosus? Management?
Connection between pulmonary trunk and descending aorta Indomethacin - closes connection
128
Features of PDA?
``` left subclavicular thrill continuous 'machinery' murmur large volume, bounding, collapsing pulse wide pulse pressure heaving apex beat ```
129
What are the signs for urgent treatment of a bradyarrhythmia/tachyarrhythmia?
BP < 90, pallor, sweating, cold, confused Syncope MI HF
130
What is the management of symptomatic bradyarrhythmia?
1. Atropine (500mcg) IV up to 3x | 2. Trascutaneous Pacing OR Isoprenaline/Adrenaline
131
What is the management of symptomatic tachyarrhythmia?
DC Shock!
132
What is Phenylketonuria?
Autosomal recessive Disorder of phenylalanine metabolism ``` Presents as: Seizures Developmental delay Fair hair, blue eyes Eczema Musty odour ``` Management: Strict diet
133
Features of pre-eclampsia?
After 20 weeks gestation HTN Proteinuria ``` Headache Visual distrubance Papilloedema RUQ pain Hyperreflexia ```
134
Risk factors for pre-eclampsia?
``` High risk: Previous HTN pregnancy CKD Autoimmune disease Diabetes Chronic HTN ``` ``` Moderate Risk: First pregnancy Age 40+ BMI >35 Family history Multiple pregnancy ```
135
Management of pre-eclampsia?
Target BP <160/110 Labetaolol Nifedipine Hydralazine Deliver baby
136
Investigation of DVT/PE in pregnancy? Why is CTPA bad?
If suspect DVT: 1. Compression duplex USS If suspect PE: 1. ECG, CXR 2. Compression duplex USS 3. V/Q or CTPA CTPA carries increased risk of maternal breast cancer
137
What is pulmonary arterial hypertension? Presentation?
>25mmHg ``` Progressive SOB on exertion Exertional syncope Exertional CP Perioheral oedema Cyanosis RV heave Loud P2 Raised JVP TR ```
138
Management of pulmonary arterial HTN?
First vasodilator testing If positive: - Oral calcium channel blocker If negative: prostacyclin analogues: treprostinil, iloprost endothelin receptor antagonists: bosentan, ambrisentan phosphodiesterase inhibitors: sildenafil
139
Using the 2-level wells score for PE, what is the cut off point for PE likely ?
More than 4 points 4 or less means PE unlikely
140
Investigation and management of PE with score of 4 on Wells score?
Urgent CTPA If not possible, treat with LMWH whilst waiting V/Q if renal impairment
141
What is a pulsus paradoxus?
Fall of 10mmHg systolic BP during inspiration Severe asthma Cardiac tamponade
142
What is a slow rising pulse?
Aortic stenosis
143
What is a collapsing pulse?
Aortic regurgitation PDA Hyperkinetic state (anaemia, thyrotoxic, fever, exercise)
144
What is a Pulsus alternans?
Regular alternation of force of arterial pulse Severe LVF
145
What is a Bisferiens pulse?
Double pulse (two systolic peaks) Mixed aortic valve disease
146
What is a Jerky pulse?
HOCM
147
What is Rheumatic fever?
Develops following umunologicalr eaction to recent (2-6weeks) streptococcus pyogenes infection
148
Diagnosis of Rheumatic fever?
Diagnosis is based on evidence of recent streptococcal infection accompanied by: 2 major criteria 1 major with 2 minor criteria Evidence of recent streptococcal infection raised or rising streptococci antibodies, positive throat swab positive rapid group A streptococcal antigen test Major criteria erythema marginatum Sydenham's chorea: this is often a late feature polyarthritis carditis and valvulitis (eg, pancarditis)* subcutaneous nodules ``` Minor criteria raised ESR or CRP pyrexia arthralgia (not if arthritis a major criteria) prolonged PR interval ```
149
What is superficial thrombophlebitis? How should it be investigated and managed?
Inflammation and throbosis of one of the superficial veins 20% have underlying DVT Investigaiton: USS to exclude DVT Management: Compression Stockings LMWH for 30 days (fondaparinux for 45 days) OR NSAIDs for 8-12 days If near the sapheno-femoral junctoin - anticoagulate for 6-12 weeks
150
Management of SVT in asthmatics if vagal manoeuvre fails?
Verapamil
151
Management of Takayasu's arteritis?
Steroids Associated with renal artery stenosis
152
Features of Takotsubo cardiomyopathy?
Stress induced Apical ballooning and severe hypokinesis of mid and apical segments of heart Chest pain HF features ST elevation Normal Coronary angiogram Supportive management
153
What are the four features of tetraolgy of fallot
VSD RV Hypertrophy RV outflow tract obstruction Overriding aorta Presents around 1-2 months
154
Features of Tricuspid regurgitation
Pan systolic murmur Prominent/giant V waves Pulsatile hepatomegaly Left parasternal heave
155
Management of haemodynamically stable VT?
Amiodarone Lidocaine Procainamide DO NOT USE VERAPAMIL!
156
INR target for warfarinised VTE: Initial event Recurrent
Initial - 2.5 Recurrent - 3.5
157
AF INR target:
2.5
158
Management of Warfarin with high INR: Major Bleed
Stop warfarin Give IV Vit K and Prothrombin complex concentrate
159
Management of Warfarin with high INR: INR >8, minor bleed
Stop warfarin IV Vit K Repeat dose if still high at 24 hrs Restart when INR <5
160
Management of Warfarin with high INR: INR >8, no bleed
Stop warfarin Oral vit K Repeat dose if still high at 24 hrs Restart when INR <5
161
Management of Warfarin with high INR: INR 5-8, minor bleed
Stop warfarin IV vit K Re-start when <5
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Management of Warfarin with high INR: INR 5-8, no bleed
Withhold 1 or 2 doses
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WPW positive R wave in V1. Which type and where is the accessory pathway?
Type A Between left atria and ventricle Causes RAD
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Which patients benefit from CABG over PCI in uncontrolled angina?
No more than 2 antianginals prior to consideration of reperfusion therapy When stable coronary artery disease and ischaemia >10% in left ventricle Patients with: ``` Complex Anatomy Triple Vessel disease Proximal left main stem disease Age 65+ Diabetes ```
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Side effects/contraindications of the additional anti-anginal drugs: Long-acting nitrates Nicorandil Ivabradine Ranolazine
Long-acting nitrates - Hypotension - Contraindicated with sildenafil Nicorandil - Hypotension - Severe headaches - Contraindicated with sildenafil Ivabradine - Only works in sinus rhythm (thus not used in sick sinus) - Reduces heart rate (don't use in bradycardia) - Do not use in moderate to severe angina - Does not cause hypotension Ranolazine - Negative inotrope - Liver dysfunction - Severe renal disease
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What is Wellen's syndrome?
ECG manifestation of critical proximal left anterior descending coronary artery stenosis Unstable angina Symmetrical deep >2mm T wave inversion in anterior precordial leads Treat with urgent angiography and revascularisation
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When should patients with angina have a third agent?
Only if not candidate for PCI or CABG
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What is Prinzmetal's angina?
Due to vasospasm Pain at rest ECG - ST elevation. This disappears when pain goes Avoid smoking Rx: CCB, Nitrates, Nicorandil
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When investigating angina, if calcium score is: 0 1-400 >400
0 - Ix for other causes of pain 1-400 - 64 slice CT angiogram >400 - invasive angiogram
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When should ivabradine be used for heart failure patients?
``` Ejection fraction 35% Heart rate >75/min Sinus rhythm NYHA class 2-4 Maximally titrated beta blocker therapy. ```
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Management of resistant hypertension?
Resistant Hypertension HTN that has not responded to 3 appropriately dosed anti-HTN medications K+ > 4.5 - alpha or beta-blocker K+ <4.5 - spironolactone
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What should not be done / given to patients with WPW in AF? How should they be managed?
Do not: Valsalva AV Blocking Drugs (adenosine, beta-blocker, calcium channel blocker, digoxin [ABCD]) Risk VT or VF Unstable - urgent syncrhonised DC cardioversion Stable - procainamide, DC cardioversion, flecainide, amiodarone Definitive - ablation
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Differentiate WPW Type A from Type B
Type A - Left AV connection - Positive R wave in V1 Type B - Right AV connection - Negative delta wave in V1
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Differentiating spinal stenosis from vascular claudication?
Neurogenic Claudication: - Sx on exertion that improve with leaning forward, sitting down Vascular Claudication: - Sx on exertion that improve with rest
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Criteria for diagnosis of Takayasu?
3 of 6 below = 90% sensitivity and specificity 1. Age onset <=40 years 2. Claudication of the extremities 3. Decreased pulsation of one or both brachial arteries 4. Difference of at least 10 mm Hg in systolic blood pressure between the arms 5. Bruit over one or both subclavian arteries or the abdominal aorta 6. Arteriographic narrowing or occlusion of the entire aorta, its primary branches, or large arteries in the proximal upper or lower extremities, not due to arteriosclerosis, fibromuscular dysplasia, or other causes
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What is the pulmonary wedge pressure a surrogate marker for?
Left atrial pressure
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What commonly occurs with right ventricle infarction? What happens to JVP?
Tricuspid regurgitation Prominent V Wave
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What are the HACEK group and what is their significance in infective endocarditis?
Can causes gram negative endocarditis ``` Haemophilus species Actinobacillus actinomycetemcomitans Cardiobacterium hominis Eikenella corrodens Kingella ```
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What clue can help distinguish VT from SVT and BBB?
If RBBB and RAD --> more likely to be SVT with BBB
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Who is Cardiac resyhchronisation therapy offered to?
NYHA III or IV heart failure Ejection fraction of <35% The heart is beating regularly with evidence of electrical conduction disease (wide QRS) They are medication that is most effective for them
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What do patients with sick sinus syndrome often have before beginning medication therapy? Why?
AAIR pacemaker Can present with mixture of brady and tachy arrhyhthmias
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When is starting a beta-blocker in heart failure contra-indicated?
When in acute decompensated heart failure
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What is cyclizine induced heart failure?
Causes systemic HTN and tachycardia Not recommended in ACS or severe hF
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Side effect of ivabradine?
Visual disturbances (phosphenes and green luminescence)
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Afro-Carribean on optimal first line heart failure medication. What is the next step?
Hydralazine and Nitrate
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When would Sacubitril-Valsartan be indicated? What is the washout period?
Heart failure not optimally managed despite medical therapy AND: - Bradycardic - Hypotensive - Slightly raised K+ Washout 36 hours from last ACEi
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Medical treatment of HOCM? What should not be given?
Betablocker (propranolol) Or Rate-limiting CCB (Verapamil) If not managed: Disopyramide Not controlled with two agents: - Surgical Myectomy - DDR pacemakers - Alcohol ablation DO NOT give ACEi, Nitrates
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Mainstay in additional treatment of anterior wall MI?
Diuretics to reduce pulmonary congestion Inotropic support to enhance cardiac output and perfusion
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In initial phase after PCI for ACS in patients with AF, what should be given to thin the blood?
2 antiplatelets | 1 anticoagulant
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What is Bornholm disease?
Viral infection causing pain in lower chest
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What is pacemaker syndrome?
VVI Pacemaker Simultaneous atria and ventricle contraction Causes fatigue, dizziness, hypotension
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Causes of AKI following angiography?
Contrast induced nephropathy Cholesterol emboli - raised eosinophils - livedo reticularis
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Management of Pulmonary embolism?
Sub-massive (RV dysfunction, myocardial injury): - LMWH Massive (shock or hypotension): - Thrombolysis
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Drug management of HTN?
Step 1; Age <55 - ACE inhibitor. Age >55 or of black African or Caribbean origin - calcium channel blocker Step 2; ACE inhibitor + calcium channel blocker Step 3; ACE inhibitor + calcium channel blocker + thiazide-like diuretic (Indapamide in preference) Step 4; consider further diuretic or beta-blockade or alpha blocker and seeking expert advice
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Complete heart block following MI in: Anterior MI Inferior MI What are the different outlooks?
Anterior MI - significant damage. Will need pacing Inferior MI - Likely transient (resolves after PCI)
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Management of P wave systole?
External pacing
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What can be used for rapid reversal of dabigatran?
Idarucizumab
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When is Ezetimibe used?
Primary Hypercholesterolaemia
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Elderly male with syncope on alpha blocker or BPH. What should you do?
Lying standing BP | Stop the alpha blocker!
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List causes of secondary hypertension: ``` Endocrine (4) Adrenal (3) Renal (4) Cardiovascular (1) Drugs (5) ```
Endocrine: - Cushing - Acromegaly - Thyroid - Hyperparathyroid Adrenal - Conns - Adrenal hyperplasia - Phaeo Renal - Diabetic nephropathy - Chronic GN/TIN - Adult polycystic kidney disease - Renovascular disease Cardiac - Aortic dissection Drugs: - NSAIDs - Oral Contraception - Steroids - Symphathomimetics - MAOi
201
What is a MIBG scan used for?
Investigating Phaeo
202
Drugs causing Long QT?
``` TCAs Quinidine Erythromycin Digoxin Amiodarone Lithium ```
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Mobitz 2 or Complete heart block. What type of pacemaker?
DDD or DDDR | as functioning atria
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Relevance of cardiac amyloidosis and digoxin?
Digoxin should not be given due to higher risk of digoxin toxicity
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What should happen to anticoagulation in AF after elective DC cardioversion?
Continue for 1 month High risk of recurrent AF
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What is the valve disease associated with ADPKD?
Mitral valve prolapse
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What is Twiddling?
Refers to pacemaker dysfuntion due to patients interfering with wires
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What imaging would you use to diagnose myocarditis?
Cardiac MRI
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What is the risk if start AF patients on flecainide alone?
May turn to Atrial Flutter Slows AF and then nay increase conduction due to 1:1 conduction and thus HR increases
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What is peripartum cardiomyopathy?
LV ejection fraction reduced in last month or within 5 months of giving birth Avoid ACEi if breast feeding/pregnant
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What imaging would you use to investigate cardiomyopathy?
Cardiac MRI
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Who is eligible for a pill in the pocket?
Paroxysmal AF (infrequent) with few symptoms ``` No history of IHD, valve or LV dysfunction Infrequent episodes BP >100 HR > 70 Understand when to take ```
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How do you assess risk of LV tract obstruction in cardiomyopathy?
Exercise stress echo
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Xanthelasma cause?
Hypercholesterolaemia
215
Management of Mitral valve stenosis?
Symptomatic (mitral valve area 1.5cm) and favourable valve morphology in absence of LA thrombus or moderate-to-severe MR - Mitral valve balloon valvotomy ``` Severely symptomatic (NYHA 3, mitral valve area 1.5cm) who are not high risk for surgery and not candidates or failed previous balloon valvotomy - Mitral valve surgery ```
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When should TAVI be offered?
TAVI (transfemoral) for patients with low or intermediate risk surgical aortic valve insertion For older patients that would usually have bioprosthetic valve NOTE: Transapical TAVI inferior to surgical
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Management of patient with severe aortic stenosis and sign of heart failure?
Consider aortic valve replacement
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BP target? HTN without comorbidity Patient with Diabetes Patient with diabetes and organ damage
HTN without comorbidity 140/90 Patient with Diabetes 140/80 Patient with diabetes and organ damage 130/80
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Indication for mitral valve replacement?
New AF with MR symptoms, left ventricular dysfunction, pulmonary hypertension, new atrial fibrillation and dilated left ventricle.
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Indication for aortic valve replacement in AR?
significant enlargement of the ascending aorta, severe regurgitation with symptoms or if severe with an ejection fraction of less than 50%.