Hints Flashcards

(354 cards)

1
Q

Which valve seperates the areas of greatest pressure difference?

A

Mitral

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2
Q

Which valve separates the areas of lowest pressure differences?

A

Tricuspid valve

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3
Q

What vessel lies in the anterior interventricular groove or sulcus?

A

LAD

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4
Q

Which aortic leaflet is the superior one in the parasternal long axis view?

A

the right leaflet

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5
Q

which aortic leaflet is the posterior one in the parasternal long axis view?

A

the noncoronary

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6
Q

from the left parasternal window which of the following are you most likely to get accurate velocity measurements?

a) LVOT
b) Mitral stenosis
c) Pulmonary artery
d) mitral regurgitation

A

C) Pulmonary artery

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7
Q

The coronary arteries come off the:

A

Sinuses of valsalva

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8
Q

During which phase do the coronaries fill?

A

Early diastole

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9
Q

the best images of the ascending aorta are often obtained from which transducer window?

A

Suprasternal

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10
Q

Name the vessels coming off the arch and most proximal to distal

A

Innominate(proximal)
Left common carotid
left subclavian artery (Distal)

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11
Q

What cardiac pathology is associated with bicuspid aortic valves?

A

Coarctation of the aorta

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12
Q

which window do you use to look for the secondary finding in bicuspid valves?

A

Suprasternal arch

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13
Q

where do most aortic coarctations occur?

A

the aortic isthmus ( after takeoff of the left subclavian artery)

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14
Q

from the apical 4ch view where are the pulmonary veins located?

A

rt and lt lower(inferior) pulmonary veins

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15
Q

from the apical 4ch view how do you rotate the transducer to obtain the apical LAX?

A

Counterclockwise 120 degrees

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16
Q

Where is the coronary sinus located?

A

Posterior AV groove

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17
Q

TO visualize the coronary sinus in the apical 4ch view you should tilt the transducer”

A

Posterior

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18
Q

where is the chiari network located?

A

in the right atrium

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19
Q

what portion of the pulmonary venous PW Doppler represents atrial systole? /

A

a wave

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20
Q

at what temperature is it unsafe to use a TEE probe?

A

40-45 degrees celcius

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21
Q

which has the fastest intrinsic rates?

A

SA node

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22
Q

What is the absolute refractory state?

A

that period when a muscle cell is not excitable- from phase 1 until phase 3;

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23
Q

what is the relative refractory period?

A

is during phase 3 and the muscle cell might contract if the stimulus is strong

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24
Q

What is the Frank - Starling law

A
(length- tension relationship)
Incrased volume (preload) = increased contractability

Increased myocardial fiber length= Increased tension (rubber band theory)

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25
Acute AI is __________ because we shift up the starling curve
Hypercontractile
26
Chronic Ai is ____________ when we drop off the end
Failure
27
echo findings for preload
Dilatation
28
echo findings for afterload
Hypertropy
29
which study does not allow for the calculation of ejection fraction? a) 2D echo b) cardiac angio c) chest Xray d) cardiac nuclear study
Chest xray
30
how do you eliminate aliasing on PW spectral Doppler?
switch to continuous wave doppler
31
What does VTI x CSA equal?
Doppler stroke volume
32
Inhalation of amyl nitrite causes?
decreased afterload
33
Mitral valve velocity during inspiration
Decreases
34
Isovolumetric timing with the ECG after the R wave=
Isovolumetric contraction
35
Isovolumetric timing with the ECG after the T wave=
Isovolumetric relaxation
36
what is the duration of the IVRT and IVCT | isovolumetric relaxation and contraction time
70 msec
37
on the wiggers diagram when is the mitral valve open?
4-1
38
the duration of isovolumetric relaxation time will increase with
bradycardia
39
during the cardiac cycle this event never happens a) Ao valve is open &mitral valve is open b) Ao valve is open &mitral valve is closed c) Ao valve is closed &mitral valve is open d) Ao valve is closed &mitral valve is closed
a) Ao valve is open and mitral valve is open
40
Which is the correct order for the cardiac cycle
Mechanical diastole, electrical diastole, electrical systole, mechanical systole
41
what is the normal pressure in the pulmonary artery?
25/10
42
Normal atrial pressures are about ___ mmHG in the right atrium and ____ mmHG in the left atrium
6, in the right | 10 in the left
43
The right sided pressures are approximately _________ of the left sided pressures
1/5th
44
where is the O2 saturation the lowest?
coronary sinus
45
the O2 saturation in the pulmonary veins is ________ and ___________ in the arteries
95% and 75%
46
Best cath technique for LV function
LV angiogram
47
What is PCW (pulmonary capillary wedge) measuring?
Left atrial pressure
48
To determine AS where are catheters placed?
one in the LV and one in the Ao or one in the LV and "pulled back across the AoV or one catheter with two separate sensors
49
TIssue harmonic imaging results in ?
thicker valve leaflets
50
Apical swelling of echo contrast-for LVO is caused by
high MI
51
a secondary finding in aoric stenosis is
LEft ventricular hypertrophy
52
In aortic stenosis is pulse pressure wide or narrow?
Narrow ( pulse pressure is the difference between systolic and diastolic pressures w it is wide in AI and narrow in AS)
53
The best view to diagnose a bicuspid aortic valve is in the parasternal?
Short axis systole
54
what is a common symptom of aortic coarctation?
hypertension
55
What is Takayasu? arteritis? | (aortic arch syndrome
Narrowing anywhere along the aorta occurs more in young women from asia -there is fibrosis of the arch and descendingAo of unknown etiology. in advanced states multiple coartations may occur (look for supravalvular AS)
56
Patients BP = 110/84, aortic velocity is 5m/sec. peak LV pressure in this patient is?
210mmHG add the Ao gradient (100mmHG is the velocity is 5m/sec) to the systolic BP
57
the normal aortic valve area is
3-4cm squared
58
what is the continuity equation
Area2= area1 xV1 ---------------- V2 *given V1, V2, and A1 calculate A2
59
when does VTI work better than peak velocities
in patients with poor LV function and when moderate to severe AI is present
60
using the continuity equation when would the severity of AS be underestimated
When the LVOT measured too large
61
what is DImensionless Index (DI)
a ratio of the LVOT and AS velocities or VTI * used when the LVOT cannot be accurately measured, or in the setting of LV dysfunction
62
Which pressure is obtained during Doppler?
peak or peak instantaneous (for AS it's the highest gradient anytime during systole)
63
echo gradients are usually _______ than cath gradients
higher peak instantaneous vs. peak to peak
64
what is Noonan syndrome and what is it most commonly associated with
classified as a cardiofacial syndrome with PS, HCM and ASD(30%) Noonan syndrome = Pulmonic stenosis
65
does Pulmonic stenosis cause pulmonary hypertension?
NO
66
If unable to obtain PS gradient from the parasternal window where else can you go?
Subcostal short axis
67
What does a Mitral stenosis(MS) murmur equal
MS murmur= low frequency "diastolic rumble" with opening snap
68
which cardiac valve is the second most common to be affected by rheumatic fever disease?
aortic
69
patients with mitral stenosis often develop?
atrial fibrillation
70
with atrial fibrillation mitral stenosis velocity calculations are best performed?
averaged over 5-10 beats
71
in the PSAX view which method is used to assess the MV area?
Planimetry
72
what is the formula to convert deceleration time to pressure half-time
Mitral halftime= deceleration time x 0.29
73
what is the formula to convert deceleration time to mitral valve area
Mitral valve area= 759/ deceleration time
74
for tricuspid stenosis what is the difference in carcinoid vs. rheumatic?
carcinoid= fixed body of the leaflets rheumatic =tethered leaflet tips
75
which anomaly goes with aortic dissection?
Marfan syndrome
76
what kind of murmur would you hear in a patient with rupture of a sinus of valsalva aneurysm?
continuous
77
what is diastolic "blow"
the classic aortic regurgitation murmur
78
what causes MV preclosure
an elevated LVEDP
79
what is the formula to find LVEDP
LVEDP= diastolic BP -end diastolic gradient
80
antegrade
normal flow direction
81
retrograde
flow in opposite direction *descending aorta diastolic flow reversal
82
Mild aortic regurgitation has an ________ spectral trace
incomplete
83
how would you calculate pulmonary artery end diastolic pressure
Pulmonic insufficiency velocity
84
what is the formula for Pulmonary artery end diastolic pressure (PAEDP)
PAEDP= RAP + EDP (converted from the EDV)
85
systolic flow reversal of bubbles in the IVC -- TR or tamponade
TR= post systolic Tamponade= pre systolic
86
what is the most common valvular problem associated with carcinoid syndrome
Tricuspid regurgitation
87
CVP (central venous pressure) refers to the
IVC pressure close to the RA
88
Hepatic venous flow reversal indicates_______ TR
Severe TR
89
Given a TR velocity of 4.0m/sec what is the RVSP?
72mmHG
90
what is the formula for RSVP
RSVP= TRgradient + RAP RSVP=4(v)squared + RAP
91
in the absence of pulmonic stenosis the RVSP should equal
the pulmonary artery pressure
92
the vena contracta might be seen in which type of cardiomyopathy?
Dilated
93
what of the 4 parts of an MR jet
1. zone of convergence 2. Vena contracta (greater than or equal to 0.7 cm= severe MR) 3, Jet size (turbulence) 4. Downstream effect (pulm venous flow reversal)
94
when does the Coanda Effent happen
with wall hugging jets. | May underestimate jet sized
95
if you suspect Severe MR where else should you look?
Pulmonary vein
96
Pulmonary venous systolic flow reversal =?
severe MR
97
the greatest source of error in measuring PISA is with
radius of the flow convergence
98
Which of the following is used in echo to measure dP?dt?
Mitral regurgitation
99
dP/dT measurement of mitral regurgitation assesses what?
LV systolic function
100
what is the formula for left atrial pressure(LAP)
LAP= systolic BP- MR gradient
101
what does the pressure waveform for MR look like
late systolic jump in LA pressure
102
what is Marfan disease
Congenital connective tissue disease causing aortic dilatation and mitral valve prolapse(MVP)
103
in Marfan syndrome why does aortic dissection and MVP occur?
decreased fibrillin
104
what is Ehlers-Danlos
connective tissue disease | look for MVP, dilate AO and dissection
105
Severe aortic aneurysms are greater than
5.0cm
106
when do you not diagnose a MVP
from the apical 4 chamber view | in the presence of a large pericardial effusion
107
what are two types of endocarditis?
Libman-sachs (systemic lupus erythematous) | Marantic (non bacterial) now called NBTE nonbacterial thrombotic endocarditis seen in patients with metastatic disease
108
patients with a history of IV drug abuse may present with:
tricuspid endocarditis
109
can you tell old vs new vegetations
no
110
in order to be seen by 2D vegetations need to be at least?
3mm
111
mechanical valves are durable but need
blood thinners
112
what is the name of the most common Caged ball valve
Starr edwards
113
what is the name of the most common Caged disc valve
Beall
114
what is the name of the most common Tilting disc valve
Bjork -shiley
115
what is the name of the most common bileaflet( bidisc, bi popper)
ST Jude (bi leaflet valve)
116
autografts use the
patients own tissue
117
what is the name of the dual valve surgery for congenital AS
Ross procedure
118
a mitral valve prosthesis has what kind of artifact
acoustic shadowing
119
the normal pressure half time for mitral prosthetic valve is
<170msec
120
which cardiomyopathy is autosomal dominant?
Hypertrophic
121
what is the ratio for assessing asymmetric hypertrophy
1.3:1
122
LVOT obstruction causes the aortic valve to
close mid systole
123
what does it mean if the mitral inflow shows A wave greater than E wave
abnormal relaxation
124
does Inderal (beta blocker) increase SAM?
no , it decreases heart rate, reduces SAM with exercise
125
61 year old male with IHSS and a resting gradient of 144mm Hg admitted to the hospital with chest pain. the next day the resting gradient was 15 mmHg. What happened?
left ventricular infarct
126
Global longitudinal strain in patients with HOCM is typically?
-10%
127
what does strain measure
the deformation within the myocardium
128
Chagas disease can cause
Cardiomyopathy posterior and apical thinning septum usually normal
129
what are the echo signs of congestive carioimyopathies
``` Multichamber enlargement Globally impaired LV contractility B notch on mitral valve Mmode reduced aortic root excursion thrombus may be present Small pericardial effusion Increased Epoint to septal separation(>7mm) Reduced mitral valve excursion (double diamond on Mmode) ```
130
what is the cause of a B- notch
increased LVEDP
131
what is the 2D post transplant appearance
double atria * might have 2 Pwaves on ECG
132
Amyloid and sarcoid are what type of cardiac abnormalities?
Infiltrative
133
what is hemochromatosis
an iron disorder in which the body simply loads too much iron
134
Amyloidosis involves _______ ______ . some may describe is as
abnormal proteins | some may describe is as a translucent waxy protein build up on the myofibrils
135
what is the term ground glass appearance related to
infiltrative endocarditis
136
a restrictive cardiomyopathy has which of the following? a. increased afterload b. decreased LV compliance c. increased preload d. decreased LA pressure
b. decreased LV compliance
137
what are the types of cardiomyopathies
Normal Congestive (dilated) Hypertrophic Restrictive
138
a typical ejection fraction in a dilated cardiomyopathy patient might be? or for HCM patient
15-25%
139
The majority of ventricular filling occurs during?
the first third of diastole
140
what are the names of the filling patterns
normal abnormal relaxation normalization (pseudonormalization) restrictive
141
If a patient has a normal MV inflow but the pulmonic veins showed a decreased S wave and D wave consider that they might have
a pseudonormal pattern
142
in elderly patients(>60) the A wave is _________ than the E wave
normally higher or equal to
143
how does the normal Doppler waveform differs from flow at the mitral leaflet tips
E and A are reversed at these two sample sites
144
how would you determine if a patient has constrictive versus restrictive disease?
MV inflow with respiration variation
145
In constrictive pericarditis does the E wave increase or decrease with inspiration?
Decrease
146
what is the order of excitation
1. SA node 2. AV node 3. bundle of his 4. Bundle branches 5. Purkinje fibers
147
Name the three layers of the pericardium
1. fibrous pericardium: thick outer sac 2. Serous Parietal: bound to fibrous pericardium smooth, " the wall of a cavity" 3. Serous Visceral: bound to epicardium, smooth" toward the organ" pericardial fluid is found in between the two serous layers
148
A pericardial effusion can often be seen in patients with:
renal failure
149
what is the murmur of a pericardial effusion?
Friction rub
150
what is the pericardial effusion criteria
``` small= posterior fluid <1cm med= anterior & posterior 1-2 cm large= Surrounding the heart >2cm ```
151
when should you measure pericardial effusions during systole or diastole?
during diastole
152
what is the importance in identifying the coronary sinus vs the AO
to differentiate between pericardial and pleural effusions
153
where does the oblique sinus of the pericardium lie
Posterior to the LA in the PLAX view- | area between the two sets of the pulmonary veins)
154
what to do if tamponade is suspected?
Immediate interpretation
155
what is Beck's triad (for Tamponade)
a. elevated venous pressure b. hypotension c. quiet heart.
156
the most sensitive way to diagnose cardiac tamponade is?
``` respiration variation (in transvalvular flow >25%) ```
157
what cardiac condition would prevent diastolic right ventricular collapse?
Pulmonary hypertension
158
In tamponade what happens to hepatic veins diastolic and systolic flow during expiration?
S &D wave are still present but diminished
159
what other pericardial abnormality also causes impaired ventricular filling?
constrictive pericarditis
160
A huge, dilated PA, severe TR and RV enlargement best describe?
Pulmonary hypertension
161
what is Eisenmenger syndrome
Reversal of a long standing left to right shunt from PHTN. shunt is no right to left
162
SAX LV in PHTN stays flattened while in RV volume overload
rounds some in systole
163
what is represented with a decreased A wave and a flying W
Pulmonary hypertension by Mmode
164
with small pulmonary emboli the heart may be
normal
165
with large pulmonary emboli the RV/RA will
dilate, PHTN or RV systolic dysfunction may be present
166
Given tricuspid regurgitation with 60mmHG gradient grade the severity of pulmonary hypertension
severe
167
what are the 2010 ASE right heart RAP guidelines
``` 3mmHG= normal IVC and collapses with a sniff 8mmHg= intermediate- unable to sniff or IVC collapses <20% 15mmHg= dilated(>2.1cm) & doesn't collapse 50% ```
168
the size of an aneurysm during systole:
increases
169
the most common (mechanical) complication of an MI
aneurysm formation
170
which of the following occurs first in the setting of severe mitral regurgitation due to flail leaflet?
dilated right ventricle
171
what type of MI causes Papillary muscle rupture?
inferior MI
172
what are the characteristics of a true aneurysm
Wide base walls composed of myocardium low risk of free rupture
173
what are the characteristics of a pseudoaneurysm
narrow base walls composed of thrombus and pericardium high risk of free rupture
174
the most common location for pseudoaneurysms is:
inferior basal, not apical
175
does the wall of a pseudoaneurysm contain endocardium
no, its a rupture across both endo and myocardium
176
what information do you need pre op in a patient with a LV aneurysm?
movement of the other walls
177
color Doppler in ischemic disease can be good for?
Ventricular septal defect, because you can use PW and CW Doppler for detecting MR
178
what do you look for in a patient with Kawasaki disease?
coronary artery aneurysms
179
what is the IVS motion in a patient with left bundle branch block (LBBB)
dyskinetic or paradoxical
180
from where do the coronaries originate?
in the L and R aortic sinus of valsalva
181
what is meant by "right dominant"
when the right coronary gives rise to the posterior descending artery" (85%) of the time
182
which coronary supplies the interatrial septum?
right (also usually supplies the SA and AV nodes)
183
which coronary artery feeds the inferoseptal wall
right coronary artery
184
in multivessel disease what is better stress echo or nuclear stress exams
stress echo
185
what are the indications for a stress echo
to aid in the diagnosis of chest pain to determine the severity and prognosis of CAD to guide post MI rehab to evaluate cardiac arrhythmias to screen high risk or asymptomatic patients with multiple risk factors
186
what would be a contraindication to performing a stress test on an athlete with chest pain
unstable angina
187
in a pharmacological stress test what may be given at peak dose if the target heart rate is not reached
Atropine
188
what does it mean when the 2D image appears to have three atria
patient might have Cor Triatrium a congenital malformation where there is a membrane above the level of the mitral valve. in severe cases there is supravalvular stenosis
189
name the types of Atrial septal defects
Secundum Primum Sinus venosus Coronary sinus
190
what is the most common type of ASD?
Secundum
191
Partial anomalous pulmonary venous return is seen in which type of ASD
sinus Venosus
192
what is the best view to diagnos a sinus venosus ASD
Modified subcostal four chamber
193
what is the best view to demonstrate a ASD
Subcostal 4 chamber view
194
what is the standard echo view for contrast studies of an ASD
apical 4chamber
195
how many beats to see contrast on the left side in a patient with an ASD
<5BEATS EQUAL TO OR > 5 BEATS FOR PULM SHUNT
196
Where should contrast be injected in order to diagnose a persistent left superior vena cava?
left arm
197
what is the most common venous malformation and has a dilated coronary sinus
Persistent Left superior vena cava
198
what are endocardial cushion defects (AV septal) associated with
Down syndrome
199
what are the types of Ventricular septal defects
Membranous (perimembranous) Muscular Subvalvular infundibular
200
which is the most common type of VSD
Perimembranous
201
what is the supracristal locatione
high near the aortic and pulmonic valves
202
where are the inlet locations
subvalvular low near the mitral and tricuspid valves
203
what is the classic VSD murmur
Loud holosystolic murmur (LSB) (loudest with small VSDs)
204
what is the formula for calculating RVSP from VSD velocities
RSVP= systolic BP- VSD gradient RSVP= SBP- 4(v)squared
205
what congenital abnormality has a displaced TV
Ebsteins
206
if a large PDA is not corrected what might develop?
Eisenmenger syndrome
207
what are the 4 tetralogy of Fallot defects
Perimembranous VSD(large) overriding aorta Pulmonary stenosis (often Infundibular) right ventricular hypertrophy
208
what is a helpful technique in identifying LV myocardial noncompaction during an echocardiogram?
echocardiographic contrast agent
209
what part of the heart is most likely to be affected by cardiac contusion?
right ventricle
210
what might be the first indication of metastatic cardiac disease?
Pericardial effusion
211
which cardiac chamber is most likely involved with metastatic tumors?
right atrium
212
the most common benign tumor on the aortic valve is
Papillary fibroelastoma
213
Myxomas symptoms mimic
Mitral stenosis symptoms
214
LA myxomas are usually attached where?
interatrial septum
215
when is the LA volume the highest?
End systole
216
when is the LV volume the highest?
End diastole
217
the left atrial pressure matches the pressure of what other area?
Pulmonary capillary wedge (PCW)
218
How is the PCW pressure determined?
Swan Ganz catheter
219
whose responsibility is it to obtain and informed consent prior to TEE?
the physician
220
how many segments of a wall have to be affected before calling a WMA?
1 segment
221
with PAPVR the pulmonary veins drain into the RA due to what kind of ASD?
Sinus venosus ASD
222
with what anomaly does the chordae tendinae insert into a single papillary muscle?
congenital mitral stenosis (parachute MV)
223
Restricted VSDs are will be __________ in velocity equal to or larger than
High, 4m/s
224
large VSDs will be _____ in velocity, about __________
low, 2m/s
225
How far does the insertion of the TV have to be from the MV to confirm the Dx of ebstein's anomoly
10mm
226
what does the mustard procedure correct?
redirect blood flow at the atrial level in pts with transposition of the great vessels) TGV
227
what does the ROSS (pulmonary autograft) procedure correct?
done for AS (usually congenital) it moves the PV into the AV(moving the coronaries) -homograft in PV position
228
what does the Fontan Procedure correct?
Classically done for tricuspid atresia (or any ventricle)Hook up the vena cava to PA (SVC AND IVC) lots of variation and can be a conduit inside or outside the RA cavity. done in two steps 1. Glenn: Hook SVC directly to the RPA 2. Fontan: Hook IVC to MPA
229
On 2D what is the difference between a pacemaker wire and a catheter?
A pacemaker wire goes to the RV apex Central venous lines stay in the RA ( swan Ganz catheters usually do not go to the RV apex)
230
Name the two layers of the epicardium
Visceral and parietal
231
The Venturi effect can be associated with which cardiovascular?
Hypertrophic
232
What is the Venturi effect?
(Modification of Bernoulli's principle) Law of conservation of energy means that when the velocity of fluid increases the pressure decreases.
233
If you are doing an echo on a supine patient who becomes short of breath what should you do first?
Sit the patient upright
234
What do you do first for an apneic patient after giving sedation?
Check their airway
235
Why do an IVC sniff test?
To check for elevated RA pressures
236
What type of shunt causes cyanosis in newborns
Right to left shunts
237
What is a "pressure drop"?
Same as a gradient across valves
238
What valve is the least likely to be affected in rheumatic heart disease?
Pulmonic
239
In the cath lab the gorlin formula is used to calculate:
Valvular areas
240
Mitral valve velocity should not be affected by:
Gender
241
Which valve is most likely to regurgitate in normals?
Tricuspid
242
What are the causes of acute mitral regurgitation?
Endocarditis Ruptured chordae Papillary muscle dysfunction Prosthetic valve dysfunction
243
With what disease should you not rely on M mode for quantifying left ventricular EF?
Apical infarction
244
Where do the coronaries drain?
Into the coronary sinus
245
An MI of the inferior wall involves which coronary artery?
Right coronary artery
246
LV mass (weight) remains normal in chronic:
mitral stenosis
247
which syndrome fits with AR, Ao dilatation, Ao dissections and Ao aneurysms?
Marfan syndrome
248
how does switching to a lower frequency transducer affect aliasing?
aliasing will occur at higher velocities
249
what are Lamb's Excrescences
they are thin filiform strands (fronds) that form on the edges of valve leaflets
250
high angulation of an M mode transducer beam equals
pseudo bicuspid aortic valve
251
what is the structure under the arch?
right pulmonary artery
252
what is the primary effect of long standing aortic regurgitation?
decreased ejection fraction
253
which standard 2D TTE view typically allows viewing of the LAA?
apical 2 chamber view
254
what causes a pericardial knock?
abrupt cessation of early diastolic inflow (classic in constrictive pericarditis) similar in timing to very loud S3
255
why follow chronic AI patients?
check left ventricular size
256
what accompanies bicuspid aortic valves?
coarctation of the aorta(50% of coarcts have a bicuspid valve)
257
given TR and the RA pressure what can you calculate?
right ventricular systolic pressure
258
what is the best way to determine the severity of mitral regurgitation?
Pulmonary venous flow
259
a patient has an RVSP of 60mm Hg. One year later the RVSP is 30mm Hg. What happened to this patient?
dilated cardiomyopathy
260
when is mitral pressure halt time not accurate?
Post valvuloplasty
261
if your patient has a dilated LV and this septum what might be going on with the patient?
severe mitral regurgitation
262
which cardiac pathology affects the valves?
Carcinoid
263
which pericardial layer is the serous
visceral or epicardial
264
cardiac tamponade is rapid filling of fluid
causing restrictive diastolic filling
265
beware of normal dropout vs __________ in the apical 4ch view
secundum ASD
266
kids with tuberous sclerosis develop what kind of cardiac tumor?
rhambomyomas
267
what is meant by automacity?
the ability to initiate an electric impulse or beat intrinsic means pertaining exclusively to a part
268
if you see anechoic dropout of the interatrial septum in the apical 4 ch view what should you do?
look in the 4 subcostal 4ch
269
in contras studies an ancyonotic flow is and cyanotic flow is
L-R R-l
270
Peripheral contrast is not useful in
AI
271
what does amyl nitrite do to HR?
Inreases heart rate
272
what types of cm. might you seen in a pt with aids?
dilated CM
273
On 2D what is the difference between a pace wire and a catheter
A pace wire goes to the RV apex, | A central venous line goes to the RA ( swan Ganz catheters do not usually go to the RV apex
274
Name the two layers of the pericardium
Visceral and parietal
275
The Venturi effect can be associated with which cardiomyopathy
Hypertrophic
276
What is the Venturi effect
( modification of Bernoulli's Principle) Law of conservation of energy means that when the velocity of fluid increases the pressure decreases
277
If you are doing an echo on a supine or who becomes short of breath what should you do first?
Sit the patient upright
278
What do you do first for an apneic patient after giving sedation
Check their air way
279
Why do an IVC "sniff" test
To check for elevated RA pressures
280
What type of shunt causes cyanosis in newborns
Right to left shunt
281
What is a pressure drop
Same as a gradient across valves
282
What valve is the least likely to be affected in rheumatic heart disease
Pulmonic
283
In the Cath Lab the Gorlin formula is used to calculate
Valvular area
284
Which valve is most likely to regurgitate in Normals
Tricuspid
285
With what disease should you not rely on M mode for quantifying left ventricular EF
Apical infarction
286
Where do the coronaries drain
Into the coronary sinus
287
Which coronary supplies the LV apex
Left anterior descending
288
And MI of the inferior wall involves which coronary artery
Right coronary artery
289
What percentage of normal will have a PFO
20 to 30%
290
What 2D finding what do you see in a patient with a PLSVC
A dilated coronary sinus
291
A pre-systolic opening of the aortic leaflets is caused by
Elevated LVEDP ( end diastolic pressure)
292
Between which heart sound with a murmur of aortic stenosis be heard
S1-S2
293
Patients with Ankylosing spondylitis may develop
Aortic regurgitation
294
What is kyphosis
Exaggerated anterior spinal curvature Skeletal before Maddie Mae compress PA and cause E hypertension
295
What can cause contrast to dissipate too quickly
High Mi
296
What is you Uhl's anomaly
Congenital absence RV myocardium also called parchment heart- may be confused clinically with Ebstein's
297
Does a PDA increase LV preload
Yes when the shunt is left to right
298
Name the three heart muscle layers
Epicardium thin outer layer Myocardium mid wall(thickest) Endocardium inside
299
Normally how much pericardial fluid is there
40 cc
300
All of the following may result in jugular venous distention except: a) cardiac tamponade b) pulmonary hypertension c) hypovolemia d) constrictive pericarditis
Hypovolemia
301
If a patient has Cor Puomonale what condition is most likely to exist?
Right ventricular increase
302
How do cardiac problems cause renal failure, jugular venous pulsations and peripheral edema
Mostly through systolic Failure and low perfusion causing multi system complications
303
How many weeks until the heart is developed
Six weeks
304
And enlarged heart on chest x-ray could be all of the following except: a) pericardial effusion b) pleural effusion c) aortic stenosis d) hypertrophic cardiomyopathy
Pleural effusion
305
Which embryonic aortic arch(1-6) develops into the transverse arch
Fourth
306
Persistent fetal circulation
PHTN with right to left shunting across the foramen and ductus
307
Volume and then walls equal
Preload
308
Pressure and thick walls equal
Afterload
309
Oh right sided pressure is elevated with a valsalva maneuver
During the strain phase no | During the release phase yes
310
What kind of murmur will a patient with a VSD have
Harsh holosystolic
311
A patient with a secundum ASD has a bubble study it shows all except: a) bubbles from RA to LA b) bubbles from RV to LV c) negative contrast jet in RA d) bubbles in pulmonary artery
Bubbles from RV to LV
312
Which clinical finding is associated with a friction rub
Pericardial effusion
313
Where is the Chiari network located
Right atrium
314
What causes a left parasternal friction rub
Pericarditis
315
Aortic regurgitation starts at the
Beginning of IVRT
316
What is the frequency for a TEE probe versus a TTE probe
TTE probes are usually lower 2-7 MHz, TEE probes are usually 5 to 7 MHz
317
In the apical four chamber view where would you see reverberation artifact
Apex
318
Where are most fibroelastomas found
Usually on the valves (mitral and aortic) may be described as frond like (feathery)
319
Wing can lead to a false diagnosis of pericardial if fusion on M mode except: a) descending aorta b) calcified mitral annulas c) ascites d) mitral valve prolapse
Mitral valve prolapse
320
What might you see in a patient with scleroderma
1. pulmonary hypertension | 2. pericardial effusion
321
The reason for using ultrasound gel is
To keep air out
322
How many years are echo records to be kept
Seven
323
Will ascending aorta dissection cause severe MR
No not severe MR may be mild
324
What is the most common type of pediatric cardiac tumor
Rhamdomyomas
325
Why is the SA node the primary pacemaker
The SA node has the fastest intrinsic rate of any cardiac tissue SA node equals 60 to 70 per minute AV node equals 50 per minute Myocardium equals 30 per minute
326
How does the wave of contraction (depolarization) move
Inside to outside (endocardium to epicardium)
327
When is the LV pressure the lowest
Early diastole
328
What are the four defects that make up shone's syndrome
Supravalvular mitral membrane Parachute mitral valve Subaortic stenosis Coarctation of the aorta
329
What is the aortic valve doing during the QT interval
The valve is open
330
If you have a uniformly dilated aortic root which term best describes this
Fusiform
331
The primary cause for papillary muscle dysfunction is
Apical infarction
332
Which valve event starts Isovolumic contraction
Mitral valve close
333
Which valve event ends isovolumic contraction
Aortic opens
334
Which valve event starts isovolumetric relaxation
Aorta closes
335
Which valve event ends isovolumic relaxation
Mitral valve open
336
What is the first heart sound
Closure of the mitral and tricuspid valve
337
What is the second heart sound
Closure of the aortic A2 and Pulmonic P2 valves
338
What is the third heart sound
Early diastolic ventricular inflow
339
What is the fourth heart sound
Atrial contraction
340
What causes the third heart sound
Rapid early diastolic flow into a stiff noncompliant ventricle
341
In patients with a fib which heart son would be missing
The fourth it occurs during atrial contraction
342
Inspiration will ___________ venous return
Increase
343
Expiration will _________ venous return
Decrease
344
Standing will decrease
Venous return and stroke volume
345
Squatting will ____________ venous return, stroke volume and CO ( increases AR, decreases IHSS)
Increase
346
Hand grip increases ___________________ and decreases
Increases HR, CO, arterial pressure and MR Decreases AS
347
Valsalva during strain
Decreases venous return, SV, CO Increases IHSS
348
Valsalva during release
Increase venous return, CO and BP
349
Most murmurs __________during straining
Decrease
350
Sit up increase
HR, CO and SV
351
Amyl nitrite inhalation decrease
Peripheral resistance | AR/ MR
352
Amyl nitrite inhalation increase
HR, forward flow murmurs
353
In aortic valve stenosis, what changes are seen in the Doppler spectral trace
Increased velocity and turbulence(spectral broadening) In severe AS, the time from the onset of flow to peak velocity is prolonged
354
How does the peak AOV gradient correlate with the severity of stenosis
If the CO is normal, a peak AO gradient of more than 100mmHg denotes severe stenosis If the CO is low, the valve area may be critically small, but the gradient may be as low as 3 m/sec (36 mmHG) Therefore look at valve area and gradient