Cardiovascular Flashcards

(155 cards)

1
Q

Anteroseptal, inferior, lateral leads and which coronary artery they cover?

A

Anteroseptal = V1-V4 (LAD)
Inferior = II, III and aVF (RCA)
Lateral = I, aVL, V5, V6 (LCx)

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2
Q

Normal P, PR and QRS duration?

A

P = 0.08-0.1 secs
PR = 0.12-0.2 secs
QRS = < 0.1 secs

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3
Q

What does a small vs large box on a standard ECG represent?

A

Small = 0.04 seconds
Large = 0.2 seconds

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4
Q

Calculating heart rate using the rhythm strip?

A

Regular = 300 ÷ large squares between QRS complexes
Irregular = QRS complexes in 6 seconds (30 large squares) x 10

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5
Q

ECG feature of right vs left axis deviation and causes?

A

Right = lead I + III point to each other
→ RVH, RBB, cor pulmonale, anterolateral MI, left posterior hemiblock
Left axis = lead I + II point away from each other
→ LVH, LBBB, inferior MI, left anterior hemiblock

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6
Q

ECG features of RBBB vs LBBB?

A

WiLLiaM MaRRoW:
→ RBBB = M in V1, W in V6
→ LBBB = W in V1, M in V6

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7
Q

Bifascicular vs trifascicular block?

A

Bifascicular = RBBB + left hemiblock
Trifascicular = above + 1st degree heart block

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8
Q

Outline the sinoatrial (SA) node action potential.

A
  • Slow Na influx (HCN “pacemaker” channel)
  • Rapid Ca influx
  • K efflux
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9
Q

Outline the atrial/ventricular myocyte action potential.

A
  • Rapid Na influx
  • K efflux vs Ca influx (plateau phase)
  • K efflux exceeds Ca influx
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10
Q

Virchow’s triad?

A

Stasis of blood
Endothelial damage
Hyper-coagulability

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11
Q

Heart attack vs cardiac arrest?

A

Heart attack = vascular occlusion or ischaemia leads to tissue death
Cardiac arrest = electrical disturbance stops heart beat

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12
Q

Acute coronary syndromes and ECG/troponin findings?

A

Unstable angina = abnormal/normal ECG + normal troponin
NSTEMI = abnormal/normal ECG + raised troponin
STEMI = ST-elevation/new LBBB + raised troponin (not required)

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13
Q

Patient groups more likely to have an atypical ACS presentation?

A

Elderly
Diabetics
Women

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14
Q

ECG features of ischaemia?

A

ST elevation or depression
T wave elevation or inversion or flattening
New LBBB
Pathological Q waves

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15
Q

ECG criteria for STEMI diagnosis?

A

≥ 1mm ST elevation in any 2 contiguous leads except V2 and V3 where these criteria apply:
→ ≥ 2.5mm in men < 40
→ ≥ 2mm in men > 40
→ ≥ 1.5mm in women

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16
Q

ECG feature of posterior MI?

A

Reciprocal changes in leads V1-V3 (e.g. ST depression)

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17
Q

Which coronary artery supplies the atrioventricular (AV) node and significance?

A

Right coronary artery
RCA infarcts (e.g. inferior MI) can cause arrhythmias

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18
Q

Management of a STEMI?

A

Morphine (severe pain)
Oxygen (SaO2 < 94%)
GTN (not if hypotensive)
Aspirin 300mg
Ticagrelor or prasugrel or clopidogrel
PCI < 120 mins = PCI + UFH and GPI (radial access) or bivalirudin and GPI (femoral access)
PCI > 120 mins = thrombolysis + fondaparinux

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19
Q

Preferred antiplatelet for patient getting PCI vs high bleeding risk?

A

PCI = prasugrel
High bleeding risk = clopidogrel

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20
Q

ECG monitoring post-thrombolysis?

A

ECG after 60-90 mins
Consider PCI if ongoing ischaemia

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21
Q

List some contrindications to thrombolysis?

A

Bleeding/coagulation disorder
Active internal bleeding
Recent bleed, trauma or surgery
Stroke < 3 months ago
Severe hypertension
Intracranial neoplasm

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22
Q

First enzyme to be released in MI and enzyme used to assess re-infarction?

A

First to be released = myoglobin
Assessing for re-infarction = CK-MB

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23
Q

Most sensitive enzyme in MI, time of elevation, peak levels and when it return to normal?

A

Troponin
→ elevates in 4-6 hours
→ peaks at 12-24 hours
→ returns to normal at 7-10 days

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24
Q

Post-MI persistent ST-elevation and ventricular failure?

A

Left ventricular aneurysm

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25
Post-MI cardiac tamponade?
Left ventricular free wall rupture
26
Features and management of cardiac tamponade?
Beck's triad: → hypotension → raised JVP → muffled heart sounds Management = pericardiocentesis
27
Post-MI pericarditis classification and management?
< 48 hours = acute pericarditis 2-6 weeks = Dressler's syndrome Management = NSAID + colchicine
28
Most common cause of death post-MI?
Ventricular fibrillation (VF)
29
Post-MI DVLA guidance?
4 weeks off driving → 1 week if successful angioplasty
30
Management of NSTEMI and unstable angina?
Morphine (severe pain) Oxygen (SaO2 < 94%) GTN (not if hypotensive) Aspirin 300mg Fondaparinux (if urgent PCI not planned) Unstable = angiography +/- PCI (urgent) GRACE score > 3% = angiography +/- PCI (within 72 hours) GRACE score ≤ 3% = ticagrelor or clopidogrel
31
Secondary drug prevention of ACS?
Block an ACS: → beta-blocker → aspirin (lifelong) → ACEi → ticagrelor or prasugrel or clopidogrel (12 months) → statin
32
Statin examples, mechanism of action and side effects?
Examples = atorvastatin, simvastatin Mechanism of action = inhibits HMG-CoA reductase Side effects = myalgia, myositis, rhabdomyolysis, deranged LFTs
33
Statin monitoring requirements?
Baseline LFTs → LFTs at 3 months → LFTs at 12 months
34
Investigation for stable angina?
CT coronary angiogram
35
Management of stable angina?
GTN for all then: 1st line = beta-blocker or non-dihydropyridine CCB 2nd line = beta-blocker + dihydropyridine CCB 3rd line = beta-blocker + isosorbide mononitrate or ivabradine or nicorandil or ranazoline 4th line = PCI or CABG
36
Technique for preventing tolerance to standard-release isosorbide mononitrate?
Asymmetric dosing intervals e.g. 7 hours apart
37
Examples of antiplatelets vs anticoagulants?
Antiplatelets = aspirin, clopidogrel, prasugrel, ticagrelor Anticoagulants = warfarin, heparin, rivaroxaban, edoxaban, dabigatran, fondaparinux, apixaban, bivalirudin
38
Mechanism of action of aspirin, clopidogrel, prasugrel and ticagrelor?
Aspirin = COX-1 and COX-2 inhibitor Clopidogrel/prasugrel/ticagrelor = P2Y12 ADP receptor inhibitor
39
Mechanism of action of warfarin, heparin, rivaroxaban, apixaban, edoxaban, dabigatran, fondaparinux and bivalirudin?
Warfarin = vitamin K antagonist Heparin/fondaparinux = activates antithrombin III Rivaroxaban/apixaban/edoxaban = direct factor Xa inhibitor Dabigatran/bivalirudin = direct thrombin inhibitor
40
Reversal agent for dabigatran vs apixaban vs rivaroxaban?
Dabigatran = idarucizamab Apixaban/rivaroxaban = andexanet alfa
41
How is INR calculated?
INR = (patient PT ÷ normal PT) x ISI
42
Key factors which may potentiate warfarin?
Liver disease P450 enzyme inhibitors
43
List some P450 inducers vs inhibitors?
Inducers = phenytoin, carbamazepine, rifampicin, St John's wort, phenobarbitone, chronic alcohol use Inhibitors = ciprofloxacin, erythromycin, isoniazid, amiodarone, ketoconazole, acute alcohol use
44
Management of INR 5.0-8.0 (no bleed vs bleed), INR > 8 (no bleed vs bleed) and major haemorrhage?
INR 5.0-8.0 (no bleed) = withhold 1 or 2 doses, reduce maintenance dose INR 5.0-8.0 (bleed) = stop warfarin, IV vitamin K, restart warfarin when INR < 5.0 INR > 8 (no bleed) = stop warfarin, oral vitamin K, restart warfarin when INR < 5.0 INR > 8 (bleed) = stop warfarin, IV vitamin K, restart warfarin when INR < 5.0 Major haemorrhage = stop warfarin, IV vitamin K, prothrombin complex (1st line) or FFP (2nd line)
45
Examples of tachycardia?
Sinus tachycardia Atrial fibrillation Atril flutter Re-entrant pathways Ectopic beats
46
Classification of tachycardias?
Narrow, regular Narrow, irregular Wide, regular Wide, irregular
47
Management of REGULAR narrow complex tachycardia?
Unstable = synchronised DC cardioversion! Stable = vagal manoeuvres e.g. carotid sinus massage or Valsalva manoeuvre (1st line), adenosine 6mg → 12mg → 18mg (2nd line)
48
Management of REGULAR broad complex tachycardia?
Unstable = synchronised DC cardioversion! Stable = amiodarone or lidocaine
49
Management of torsades de pointes?
Unstable = synchronised DC cardioversion! Stable = IV magnesium sulphate
50
Outline the types of AF?
Acute (< 48 hours) Paroxysmal AF (< 7 days, episodic) Persistent AF (> 7 days, responds to cardioversion) Permanent AF (> 7 days, no response to cardioversion)
51
Overview of acute AF management?
< 48 hours = rate OR rhythm control > 48 hours or uncertain = rate control
52
Rate control management of AF?
1st line = beta-blocker or non-dihydropyridine CCB 2nd line = dual therapy of beta-blocker, diltiazem or digoxin
53
Rhythm control management of AF?
DC cardioversion Pharmacological cardioversion → structural heart disease = amiodarone → no structural heart disease = flecainide
54
Advice for cardioversion management of AF?
< 48 hours = DC or pharmacological cardioversion > 48 hours or uncertain = 3 weeks anticoagulation then DC cardioversion or TOE to exclude thrombus in the left atrial appendage then immediate DC cardioversion
55
Score to assess stroke vs bleeding risk of AF patients?
Stroke = CHA2DS2VASC Bleeding risk = ORBIT
56
CHA2DS2VASC criteria and recommendation based on score?
CHF, HTN, > 75, DM, stroke/TIA/VTE, vascular disease, 65-74, female 0 = no treatment 1 = consider anticoagulation (male), no treatment (female) ≥ 2 = anticoagulation
57
Drug options for AF anticoagulation?
Non-valvular AF = DOAC Valvular AF/prosthetic valve = warfarin
58
Management of atrial flutter?
Initially the same as AF e.g. rate/rhythm control Radiofrequency ablation is curative
59
Examples of bradycardia?
Sinus bradycardia Sick sinus syndrome Heart block
60
Outline the types of heart block?
1st degree = PR > 0.2, regular 2nd degree (Mobitz I) = PR prolongs until dropped beat 2nd degree (Mobitz II) = PR interval constant but beat sometimes dropped 3rd degree = no association between P wave and QRS
61
Management of bradycardia?
1st line = atropine 500mcg (repeat up to 3mg) 2nd line = transcutaneous pacing 3rd line = transvenous pacing or permanent pacemaker
62
Which types of heart block require a permanent pacemaker?
Mobitz type II 3rd degree (complete) heart block
63
Shockable vs non-shockable cardiac arrest rhythms?
Shockable = VF and pulseless VT Non-shockable = PEA and asystole
64
4 Hs and 4 Ts of reversible cardiac arrest?
Hs = hypoxia, hypothermia, hyper/hypo and hypovolaemia Ts = thrombosis, toxins, tamponade and tension pneumothorax
65
Defibrillation management of shockable rhythm?
Arrest witnessed = 3 successive shocks then 2 mins CPR Arrest unwitnessed = 1 shock then 2 mins CPR
66
Drug management of non-shockable vs shockable cardiac arrest?
Non-shockable = adrenaline 1mg STAT → adrenaline every 3-5 mins Shockable = adrenaline 1mg + amiodarone 300mg after 3 shocks → adrenaline every 3-5 mins
67
How should drugs be given during cardiac arrest?
1st line = intravenous (IV) 2nd line = intraosseous (IO)
68
ECG feature of hypothermia?
J waves (upward deflection after QRS)
69
ECG features of hypokalaemia vs hyperkalaemia?
Hypo = flat/absent T waves, U waves, ST depression Hyper = tall T waves, flat P waves, wide QRS
70
Antiarrhythmic drug classes and examples?
Class I (Na) = lignocaine, lidocaine, flecainide Class II (beta) = propanolol, metoprolol, atenolol Class III (K) = amiodarone, sotalol Class IV (Ca) = verapamil, diltiazem Misc = atropine, adenosine, ivabradine, digoxin
71
Atropine mechanism of action and side effects?
Mechanism of action = muscarinic antagonist Side effects = anticholinergic (e.g. dry eyes/mouth, urinary retention)
72
Adenosine mechanism of action and side effects?
Mechanism of action = causes transient AVN block Side effects = bronchospasm, chest pain, flushing
73
Ivabradine mechanism of action and side effects?
Mechanism of action = blocks the pacemaker channel Side effects = heart block, bradycardia, luminous phenomena
74
Digoxin mechanism of action and side effects?
Mechanism of action = blocks the Na+/K+ ATPase Side effects = GI upset, anorexia, yellow-green vision, arrhythmias, gynaecomastia
75
ECG feature of digoxin use?
ST "scooped out" or "reverse tick sign"
76
Classic cause of digoxin toxicity and management?
Hypokalaemia → digoxin binds to K site on the N+/K+ ATPase so less K means more digoxin binding Management = digibind (digoxin antibody)
77
Monitoring requirements of amiodarone?
6 monthly TFTs and LFTs
78
Features, investigation and management of pericarditis?
Generally unwell (e.g. fever) Pleuritic chest pain (worse lying down) Pericardial rub Investigation = transthoracic echo Management = NSAID + colchicine
79
ECG features of pericarditis?
PR depression (most specific) Widespread "saddle" ST elevation
80
JVP feature of constrictive pericarditis?
Kussmaul's sign (JVP rises on inspiration)
81
Features, investigation and management of myocarditis?
Generally unwell (e.g. fever) Chest pain Typically young patient Commonly seen with pericarditis Investigation = endomycocardial biopsy Management = supportive management
82
Modified Duke's criteria scores for infective endocarditis diagnosis?
2 major criteria OR 1 major + 3 minor criteria OR 5 minor criteria
83
What are the 2 major and 5 minor Duke's criteria?
Major = positive blood cultures, endocardial involvement Minor = predisposition, fever > 38 °C, negative microbiology, vascular phenomena, immunological phenomena
84
Most common valve affected in infective endocarditis in IVDUs vs non-IVDUs?
IVDUs = tricuspid valve Non-IVDUs = mitral valve
85
Pathogen associated with infective endocarditis in IVDUs, poor dental hygiene, prosthetic valves and GI pathology?
IVDUs = staphylococcus aureus Poor dental hygiene = streptococcus viridans Prosthetic valves = staphylococcus epidermidis GI pathology = streptococcus bovis
86
Antibiotic management of infective endocarditis?
Native valve = amoxicillin + gentamicin Prosthetic valve = vancomycin + gentamicin + rifampicin Staph aureus = flucloxacillin
87
Stanford classification of aortic dissection?
Type A (most common) = ascending aorta Type B = descending aorta
88
Features, investigations and management of aortic dissection?
Tearing chest pain (may radiate to back) Radio-radial or radio-femoral delay Pulse deficit BP different between arms Investigations = CT angiography (stable) or TOE (unstable) Management = manage BP e.g. IV metoprolol + surgery (type A) OR conservative management (type B)
89
Cause of S1, S2, S3 and S4 heart sounds?
S1 = mitral and tricuspid closure S2 = pulmonary and aortic closure S3 = diastolic ventricular filling S4 = atria contracting against stiff ventricle
90
Rule for hearing murmurs best?
RILE: → right-sided on inspiration → left-sided on expiration
91
Ejection systolic murmur causes?
Aortic stenosis Pulmonary stenosis Atrial septal defect (ASD) Tetralogy of Fallot HOCM
92
Pansystolic murmur causes?
Mitral regurgitation Tricuspid regurgitation Ventricular septal defect (VSD)
93
Early diastolic murmur causes?
Aortic regurgitation Pulmonary regurgitation
94
Mid-late diastolic murmur cause?
Mitral stenosis
95
Murmur associated with AF, wide PP, narrow PP, collapsing pulse, slow rising pulse, large JVP V wave and malar flush?
AF = mitral stenosis Wide PP = aortic regurgitation Narrow PP = aortic stenosis Collapsing pulse = aortic regurgitation Slow rising pulse = aortic stenosis Large JVP V wave = tricuspid regurgitation Malar flush = mitral stenosis
96
Most common cause of aortic vs mitral murmurs?
Aortic stenosis = calcification Aortic regurgitation = infective endocarditis Mitral stenosis = rheumatic fever Mitral regurgitation = valve prolapse
97
Management of valve disease?
Asymptomatic = monitor Symptomatic = surgery e.g. replacement, vavuloplasty
98
Indication for aortic valve surgery in an asymptomatic patient?
Valvular gradient > 40mmHg + LVD
99
Features of right-sided vs left-sided heart failure?
Right-sided = peripheral oedema, raised JVP, hepatomegaly, anorexia Left-sided = dyspnoea, orthopnoea, PND, pulmonary oedema
100
CXR features of heart failure?
Alveolar oedema Kerley B lines (interstitial oedema) Cardiomegaly Dilated upper lobe vessels Effusion Fluid in the horizontal fissure
101
Investigations for heart failure?
NT-proBNP (1st line) Tranthoracic echocardiogram
102
Management of patients with raised NT-proBNP?
> 2000ng/L = 2 week referral for assessment + echo 400-2000ng/L = 6 week referral for assessment + echo
103
NYHA classification of heart failure?
Class I = no symptoms Class II = mild Class III = moderate Class IV = severe (e.g. symptoms at rest)
104
What is ejection fraction and value for heart failure diagnosis?
Percentage of ventricular diastolic volume ejected during ventricular systole → < 40% = HFrEF → ≥ 40% = HFpEF
105
High-output heart failure and causes?
Normal heart can't meet metabolic demands → anaemia, pregnancy, thyrotoxicosis
106
Management of acute heart failure?
Non-hypotensive = IV loop diuretic Hypotensive = inotropic agents (e.g. dobutamine), vasopressors (e.g. adrenaline)
107
Management of chronic heart failure?
1st line = ACEi + beta-blocker 2nd line = add aldosterone antagonist 3rd line = add SGLT2 inhibitor or ivabradine or digoxin or salcubitril-valsartan or hydralazine + nitrate
108
Drugs which reduce mortality in chronic heart failure?
ACEi/ARB Beta-blocker Aldosterone antagonist
109
Vaccination recommendations for heart failure?
One-off pneumococcal + annual influenza
110
Main investigation for hypertension?
Ambulatory BP monitoring (ABPM) or home BP monitoring (HBPM)
111
Additional investigations for hypertension and why?
ECG = LVH U&Es = renal disease Urinalysis = renal disease HbA1c = co-existing diabetes Lipid profile = co-existing hyperlipidaemia Fundoscopy = diabetic retinopathy
112
Classification of hypertension?
Stage 1 = clinic ≥ 140/90 and ABPM/HBPM ≥135/85 Stage 2 = clinic ≥ 160/100 and ABPM/HBPM ≥ 150/95 Stage 3 = clinic systolic ≥ 180 OR diastolic ≥ 120
113
Drug options for hypertension?
1st line = A (< 55 or T2DM) OR C (> 55 or Afro-Caribbean) 2nd line = A+C or A+D (< 55 or T2DM) OR C+A OR C+D (> 55 or Afro-Caribbean) 3rd line = A+C+D 4th line = spironolactone (K < 4.5) OR alpha-blocker e.g. doxasozin or beta-blocker e.g. atenolol (K > 4.5)
114
Blood pressure targets for < 80 years vs > 80 years?
< 80 = 140/90 > 80 = 150/90
115
ACEi/ARB examples, side effects and cautions?
ACEi = ramipril, lisinopril ARB = losartan, candesartan Side effects = hyperkalaemia, cough (ACEi), angioedema (ACEi) Cautions = pregnancy, renovascular disease
116
ACEi/ARB renal advice?
Generally renoprotective Contraindicated in bilateral renal artery stenosis Monitor U&Es regularly
117
Beta-blocker examples, side effects and cautions?
Cardioselective (β1) = atenolol, bisoprolol, metoprolol Non-cardioselective (β1/β2) = propanolol, carvedilol, labetalol Side effects = bronchospasm, hyperkalaemia, cold extremities, erectile dysfunction, sleep issues, fatigue Cautions = asthma, uncontrolled HF, verapamil use
118
Calcium channel blocker examples and side effects?
Dihydropyridines = amlodipine, nifedipine Non-dihydropyridines = verapamil, diltiazem Side effects = peripheral oedema, flushing, headache
119
Thiazide diuretic examples, mechanism of action and side effects?
Thiazide = bendroflumethiazide Thiazide-like = indapamide Mechanism of action = blocks NaCl reabsorption in the DCT Side effects = hyponatraemia/hypokalaemia, hypercalcaemia, impaired glucose tolerance, gout, erectile dysfunction
120
Loop diuretic examples, mechanism of action and side effects?
Examples = furosemide, bumetanide Mechanism of action = blocks Na reabsorption in the thick ascending LoH Side effects = hyponatraemia/hypokalaemia/hypocalcaemia, hypercalciuria, ototoxicity
121
Potassium sparing diuretic examples and side effects?
Aldosterone antagonists = spironolactone, eplerenone ENaC inhibitors = amiloride Side effects = hyperkalaemia, endocrine dysfunction (aldosterone antagonist)
122
Criteria and management of orthostatic hypotension?
Drop of ≥ 20mmHg systolic +/- ≥ 10mmHg diastolic within 3 mins of standing Management = midodrine or fludrocortisone
123
Score used to investigate patients with low suspicion of a PE and interpretation?
Pulmonary embolism rule-out criteria (PERC) All must be absent for negative result
124
Score used to investigate patients with suspected PE and values?
Wells score > 4 points = PE likely ≤ 4 points = PE unlikely
125
Investigations for a likely PE (Wells > 4)?
Urgent CTPA DOAC if CTPA delayed +ve CTPA = PE confirmed -ve CTPA = consider doppler scan
126
Investigations for an unlikely PE (Wells ≤ 4)?
D-dimer +ve D-dimer = urgent CTPA -ve D-Dimer = consider alternative diagnosis
127
Indication for V/Q scan in PE and why?
Renal disease or pregnancy No contrast required (renal), no increased risk of breast cancer (pregnancy)
128
Management of stable PE?
Provoked = 3 months of DOAC Unprovoked or cancer = 6 months of DOAC
129
Management of unstable vs recurrent PE?
Unstable = thromboylsis e.g. alteplase Recurrent = IVC filter
130
Score used to investigate patients with suspected DVT and values?
Wells score ≥ 2 = DVT likely < 2 = DVT unlikely
131
Investigations for a likely DVT (Wells ≥ 2)?
Urgent leg USS DOAC if USS delayed USS +ve = DVT confirmed USS -ve = consider D-dimer
132
Investigations for an unlikely DVT (Wells < 2)?
D-dimer D-dimer +ve = urgent leg USS D-dimer -ve = consider alternative diagnosis
133
Management of DVT?
Provoked = 3 months of DOAC Unprovoked or cancer = 6 months of DOAC
134
Preferred anticoagulant in pregnancy and why?
LMWH e.g. dalteparin → does not cross the placenta
135
Advice for patients regarding flights and thrombosis?
Low risk = no measures needed Moderate-high risk = compression stockings
136
Most common cardiomyopathy?
Dilated cardiomyopathy
137
Most common cause of death in young athletes?
Hypertrophic obstructive cardiomyopathy (HOCM)
138
Medical name for "broken heart" syndrome?
Takotsubo cardiomyopathy
139
ECG feature of Wolff-Parkinson White (WPW) syndrome and management?
Slurred QRS upstroke (delta wave) Management = radiofrequency ablation
140
ECG feature of Brugada syndrome and management?
ST elevation in V1-V3 followed by inverted T wave Management = ICD
141
Heart condition associated with DiGeorge vs Turner's syndrome?
DiGeorge = Tetralogy of Fallot Turner's = coarctation of the aorta
142
Large cell vasculitis associated with occlusion of the aorta and absent limb pulses?
Takayasu's arteritis
143
Small and medium vessel vasculitis with strong link to smoking?
Buerger's disease (thromboangiitis obliterans)
144
Outline the screening programme for AAA?
One-off abdominal USS for men age 65 → < 3cm = no action → 3-4.4cm = re-scan every 12 months → 4.5-5.4cm = re-scan every 3 months → ≥ 5.5cm = refer for intervention
145
High rupture risk features of AAA?
Symptomatic ≥ 5.5cm Grown > 1cm/year
146
Management of AAA?
Endovascular repiar (EVAR) Open aneurysm repair
147
Abnormal ABP values?
< 0.9 or > 1.2
148
Location of venous vs arterial ulcers and management?
Venous = above medial/lateral malleoli → compression bandaging Arterial = toes, shins, pressure points → modify risk factors e.g. hypertension
149
Features of lower limb venous insufficiency?
Varicose veins Venous ulcer Stasis eczema Lipodermatosclerosis Haemosiderin deposition Superficial thrombophlebitis
150
Management of superficial thrombophlebitis?
Compression stockings + NSAID
151
What does peripheral arterial disease (PAD) cover?
Intermittent claudication Critical limb ischaemia Acute limb-threatening ischaemia
152
Features and management of intermittent claudication?
Pain in leg muscles during exercise then resolves at rest Management = exercise regime + statin + clopidogrel
153
Features and management of critical limb ischaemia?
Rest pain (hang legs out of bed) Ulceration Gangrene Management = endovascular revascularisation (< 10cm) or open surgical revascularisation (> 10cm)
154
Features and management of acute limb-threatening ischaemia?
Pale, pulseless, painful, paralysed, paraesthesis, perishingly cold Management = analgesia + urgent vascular review
155
Wet vs dry gangrene and management?
Wet = infectious e.g. necrotising fasciitis → IV antibiotics + debridement or amputation Dry = non-infectious e.g. ischaemic → amputation