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Echo PASS
Echo
309
Biology
Not Applicable
04/17/2016

Additional Biology Flashcards

 


 

Cards

Term
Which waveform on the ECG represents ventricular repolarization?
Definition
t wave
Term
A normal QRS complex should be:
Definition
.06-.11 secs
Term
The period of time when all four valves are closed, the ventricles are relaxing and ventricular pressure is decreasing is called:
Definition
isovolumic relaxation
Term
Seventy-five percent of the heart's muscle mass is located where?
Definition
left ventricle
Term

Using the following pressure diagram, which phase correlates with #1? Ques: A&P 20

 

Definition
Isovolumic relaxation
Term
Normal aortic and pulmonic valve closure causes this heart sound:
Definition
S2
Term
In the following image, what anatomy is identified in #2? Ques: A&P 41
Definition
left common carotid
Term
The shaded area on the ECG correlates with which phase of the electrical conduction system? (t wave) Ques:A&P 22
Definition
ventricular repolarization
Term
The coronary sinus receives blood from this vein before dumping into the right atrium:
Definition
great cardiac
Term
The force of resistance that the ventricles must push against is called:
Definition
afterload
Term
The most common complication with a bicuspid aortic valve is
Definition
aortic stenosis
Term
When determining the severity of tricuspid stenosis, this method is used:
Definition
pressure half-time
Term
A continuous wave tracing of the aortic valve demonstrates a pressure half time of 345 msec. This indicates what degree of aortic regurgitation.
Definition
moderate
Term
Mitral stenosis causes a pressure overload of the:
Definition
left atrium
Term
Down's syndrome patients often have this associated congenital abnormality:
Definition
endocardial cushion defect
Term
A complication of a myocardial infarction might be
Definition
true aneurysm
Term
Which of the following is a cause for tricuspid stenosis
Definition
rheumatic heart disease
Term
Aortic valve excision with pulmonic valve replacement into the aortic position is known as the
Definition
ross procedure
Term
another commonly associated finding with marfans syndrome besides a dilated aortic root and possible aortic regurgitation is
Definition
mitral valve prolapse
Term
which of the following is a possible M mode finding in patients with constrictive pericarditis?
Definition

all of the above

 

flattening of the mid-diastolic posterior wall motion

pericardial thickening

paradoxical septal motion

 

 

Term
which of the following is an inflammatory process associated with pericarditis
Definition
dresslers syndrome
Term
an indicator on 2D echocardiography suggesting an old myocardial infarction might be
Definition
thin, bright wall segment that appears hypokinetic or akinetic
Term
when the anterior mitral valve leaflet has a doming appearance, the 2D finding is termed
Definition
hockeystick
Term
which of the following is a finding in a dilated cardiomyopathy
Definition

all of the above

 

elevated left ventricular end diastolic pressure

decrease cardiac output

mitral regurge

Term
the presence of an intimal flap seen on a parastermal long axis view in the ascending aorta best describes an
Definition
aortic dissection
Term
symptoms that may only be experienced during exercise best describes this type of cardiomyopathy
Definition
hypertrophic
Term
A peak pressure gradient obtained from cardiac catheterization is an                          pressure gradient and a peak pressure gradient obtained from echo is an                  
Definition
peak to peak;instantaneous
Term
a narrowing of the mitral valve orifice impeding the diastolic flow of blood from the left atrium to the left ventricle best describes
Definition
mitral stenosis
Term
a 2D finding of pulmonary hypertension may include
Definition
right ventricular hypertrophy
Term
which of the following is not part of eisenmengers syndrome
Definition
mitral stenosis
Term
the most common type of functional regurgitation may be seen in this valve
Definition
tricuspid
Term
a patient with atrial fibrillation has a questionable clot in the left atrial appendage diagnosed from 2D echo. Upon transesophageal imaging of the left atrial appendage no clots but these structures are seen instead
Definition
pectinate muscles
Term
The best exam for visualization of a vegetation caused from infective endocarditis is
Definition
tranesophageal echo
Term
a patent ductus arteriosus describes an abnormal persistent comunication between the
Definition
aorta and pulmonary artery
Term
the most common finding due to an increased pressure overload in the left ventricle caused from aortic stenosis would be
Definition
left ventricular hypertrophy
Term
What complication has occured due to the patients severe decrease in left ventricular systolic function
Definition
apical thrombus
Term
the most common benign primary cardiac tumor is a
Definition
myxoma
Term
An absent a wave with a flying w appearance seen on the m mode of the pulmonic valve best describes
Definition
pulmonary hypertension
Term
a symptom of mitral valve prolapse might be
Definition
non-ischemic chest pain
Term
the most common type of ventricular septal defect is
Definition
membranous
Term
prosthetic valve flow velocities are normally                     native valve flow velocities
Definition
higher than
Term
inferior vena cava, superior vena cava and hepatic veins all demonstrate systolic flow reversal. What type of valvular abnormality would you expect to see?
Definition
severe tricuspid regurgitation
Term
a patient presents to the emergency room ST segment with elevation seen in leads 2, 3 and AVF and a loud systolic murmur heard at the apex. The most common reason for the murmur is
Definition
papillary muscle dysfunction
Term
the most common 2D finding in patients with systemic hypertension is
Definition
LVH
Term
Prosthetic valves should be evaluated for
Definition

all of the above

regurgitation

complications

stenosis

 

Term
Eisenmengers syndrome best describes
Definition
left to right shunt reversal in the presence of increased right heart pressures
Term
A left ventricular thrombus that develops within 24-48 hours post myocardial infarction is usually associated with this infarcted wall
Definition
anterior
Term
the most common doppler finding in patients with a dilated cardiomyopathy is
Definition
mitral regurgitation
Term
Amyl nitrate can be used to enhance which of the following
Definition
hypertrophic cardiomyopathy- obstructive
Term
Amyl nitrate can be used to enhance which of the following
Definition
hypertrophic cardiomyopathy- obstructive
Term
Calcification of the mitral valve annulus is commonly caused from
Definition
age
Term
A congenital abnormality of the tricuspid valve in which one, both or all of the tricuspid leaflets are downwardly displaced causing the right ventricle to be atrialized
Definition
Ebsteins anomaly
Term
The cardiac mass in the left ventricle is mostly a
Definition
myxoma
Term
a speckling or increase in echogenicity of the interventricular septum often described as a ground glass appearance is often associated with this abnormality
Definition
hypertrophic cardiomyopathy
Term
a rupture in the ventricular septum as a result of myocardial infarction is usually a
Definition
left to right shunt
Term
Which of the following is not a major anatomic finding in a hypertrophic cardiomyopathy
Definition
normal septal wall motion
Term
a pulmonic regurgitation murmur that results when pulmonary artery systolic pressure is greater than 70 mmHg along with increased pulmonary artery ring diameter is known as
Definition
Graham-Steells
Term
Dresslers syndrome is associated with this abnormality post myocardial infarction
Definition
pericardial effusion
Term
which of the following is not a typical 2D finding in the region of a chronic infarction
Definition
decreased echogenicity of the wall
Term
if aortic stenosis is found in patients between the ages of 20-50 years look for this abnormality
Definition
bicuspid valve
Term
Tetralogy of Fallot is characterized by the combination of which of the following four defects
Definition
large overriding aorta, pulmonary stenosis, right ventricular hypertrophy and ventricular septal defect
Term
Reduced amplitude and velocity of endocardial motion and wall thickening in systole best describes                   wall motion
Definition
hypokinetic
Term
on the m mode tracing of the mitral valve, prolapse is considered when the leafelts are displaced below the CD points by this distance
Definition
>2mm
Term
when one of the mitral valve leaflets is flail th leaflet tip points toward the
Definition
left atrium
Term
this abnormality is commonly seen in patients with acquired immune deficiency syndrome
Definition
pericardial effusion
Term
The best way to practice medical asepsis is by
Definition
washing hands
Term
The single most effective way to decrease the spread of infection is
Definition
hand washing
Term
An echocardiogram is ordered for suspicion of a heart murmur. The ausculatory finding is a Grade IV harsh crescendo decrescendo systolic ejection murmur best heard at the second right intercostal space. You would suspect
Definition
aortic stenosis
Term
A grade III holosystolic blowing murmur best heard at the apex describes
Definition
mitral regurgitation
Term
the greater the stretch of the ventricle, the greater the force of contraction explains this law
Definition
Starlings law
Term

given the following information what is the MVA

 

mitral valve P 1/2 time 260 msec

Mean mitral velocity 2.0 m/sec

Definition
.85 cm2
Term
what equation is used to calculate the quantification volume across an ASD, VSD or PDA
Definition
Op/Qs ratio
Term
what exam is used to aid in determining viability of the cardiac muscle when known coronary artery disease exists
Definition
dobutamine stress echo
Term
a Qp/Qs ration is greater than            indicates a significant shunt
Definition
1.5/1
Term

The fractional shortening for the given information is

 

LVIDd 50mm

LVIDs 45mm

Definition
10%
Term
the holding phase valsalva maneuver does what to venous return
Definition
decrease
Term
a contraindication for performance of a stress test would be
Definition
st segment elevation >1mm
Term
when measuring the isovolumetric relaxation time the measurement should be made
Definition
from closing click of aorta to opening to click of mitral valve
Term
This exam is indicated when a diagnosis cannot be made concerning wall motion abnormalities due to poor endocardial definition
Definition
contrast echo
Term
returning frequency that is two to three the emitted frequency best describes this component of 2D echo
Definition
second harmonic imaging
Term
which of the following is NOT an advantage of DICOM connectivity
Definition
inexpensive solution with short learning curve
Term
A propagation speed artifact that is placed deeper than the real structure is termed
Definition
propagation speed artifact
Term
a m mode echo displays                 on the horizontal axis
Definition
time
Term
these extra sound beams created by array transducers diminish quality by degrading lateral resolution
Definition
grating lobes
Term
what ratio represents the lowest intensity
Definition
SATA
Term
besides the mechanical index, what other system contral can potentially cause microbubble destruction
Definition
focus
Term
this type of doppler probe has no image, does not have backing material, and has a narrow bandwidth
Definition
Pedoff
Term
when assessing diastolic dysfunction, pseudo normalization will show a normal E/A wave in the mitral inflow doppler and this with TDI
Definition
reversal of E/A wave
Term
contrast echo can aid in the diagnosis of
Definition

all of the above

wall motion abnormalities

enhancement of cardiac doppler signals

improved visulization of cardia masses

Term
on a m mode display the Y or vetical axis represents
Definition
depth
Term
side lobes are associated with this type of transducer
Definition
single element
Term
continuous wave doppler has this many crystals
Definition
2
Term
A PISA calculation can be performed on the following valve abnormalities
Definition

all of the above

mitral stenosis

aortic regurge

mitral regurge

Term
This vein contains oxygenated blood and returns it back to the heart
Definition
pulmonary
Term
Which of the following will not demonstrate exaggerated respiratory variations upon interrogation of the AV valves with doppler
Definition
pericardial effusion
Term
With a hypertrophic cardiomyopathy you would see
Definition
left ventricular pressure overload
Term
Cardiac output is not reduced in which of the following
Definition
coarctation of the aorta
Term
What is the most common congenital heart defect found in children
Definition
patent ductus arteriosus
Term
The measurement used to determine a mitral valve area with spectral doppler echocardiography is
Definition
pressure half time
Term
Dilatation of the aorta associated with Marfans syndrome does not usually occur in the
Definition
descending aorta
Term
Dilatation of the left ventricle causing dilatation of the mitral valve annulus is associated with this color abnormality
Definition
mitral regurgitation
Term
The most common type of systemic hypertension is
Definition
idiopathic
Term
The most common papillary muscle affected by a myocardial infarction is the
Definition
posteromedial
Term
A rare cardiac anomaly in which dilatation of the sinus area of the aorta occurs with possible rupture best defines
Definition
sinus of valsalva aneurysm
Term
Gradual closure of the aortic valve best seen on M mode of the aorta is often associated with
Definition
a dilated cardiomyopathy
Term
An elevated left ventricular end diastolic pressure can be seen on the M mode of the mitral valve that presents with
Definition
systolic anterior motion
Term
The most common echo findings in a patient diagnosed with an infiltrative restrictive cardiomyopathy is
Definition

all of the above

 

left ventricular hypertrophy

RVH

Biatrial enlargement

Term
Severe mitral regurgitation can increase the forward flow of mitral valve and cause an increase in the peak MV velocity
Definition
True
Term
An increased A wave of greater than 7mm seen on the M mode of the pulmonic valve best describes
Definition
pulmonic stenosis
Term
Which of the following is a finding of mitral stenosis found on M mode of the mitral valve
Definition
anterior motion of the posterior mitral leaflet
Term
On the mitral valve inflow doppler tracing of a patient with constrictive pericarditis, the E velocity will be
Definition
decreased >25% upon inspiration and increased expiration
Term
What specific isolation precautions should be used for tuberculosis
Definition
mask, gown if necessary
Term
You are performing an echo on a patient for source of embolus. There are no obvious signs of a source of embolization on the left side. You would look for
Definition
patent foramen ovale
Term
An abnormal response to stress echo would be
Definition
affected walls become hypokinetic with exercise
Term
When performing contrast echo, the mechanical index should be
Definition
0.4-0.6
Term

What is the LVEDP with the given info

Blood pressure 120/75

AI peak velocity 3.0m/sec

Definition
39 mm Hg
Term
Conventional color doppler can display all of the following except
Definition
volume of blood flow
Term

What is the RVSP with the given info

VSD peak velocity 45 m/sec

BP 110/60

Definition
46 mmHg
Term
Which of the following is not an advantage of harmonic imaging
Definition
improved penetration
Term
Increasing the PRF has what type of effect on your spectral display
Definition
makes the spectral waveform smaller
Term
Increasing the color gain has this effect on the color frame rate
Definition
has no effect
Term
A saline contrast study may be performed on patients with the following abnormalities
Definition

all of the above

 

atrial septal aneurysm

TR

Trans Ischemic attack

Term
Which of the statements below regarding spectral doppler is True?
Definition
the doppler shift is dependent upon the transducer frequency
Term
A&P-21
Definition
ventricular depolarization
Term
A&P-27
Definition
left circumflex
Term
A&P-18
Definition
S2
Term
A&P-8
Definition
Bundle Branches
Term
A&P-12
Definition
30%
Term
A&P-32
Definition
posterior
Term
A&P-24
Definition
.06-.11
Term
A&P-15
Definition
left ventricle
Term
A&P-26
Definition
ventricular systole
Term
A&P-31
Definition
left ventricle
Term
A&P-4
Definition
pulmonary
Term
A&P-41
Definition
left common carotid
Term
A&P-2
Definition
Eustachian valve
Term
A&P-36
Definition
subcostal
Term
Pa-228
Definition
severe TR
Term
Pa-182
Definition
pulmonic valve prolapse
Term
Pa-59
Definition
ross procedure
Term
Pa-189
Definition
LA
Term
Pa-75
Definition
posteromedial
Term
Pa-163
Definition
A B bump
Term
Pa-159
Definition
D transposition of the great vessels
Term
Pa-143
Definition
coarctation of the aorta
Term
Pa-155
Definition
endocardial cushion defect
Term
Pa-220
Definition
peak to peak, instaneous
Term
Pa-5
Definition
eccentric diastolic closure line of aortic valve leaflets
Term
Pa-82
Definition
carcinoid syndrome
Term
Pa-181
Definition
MVP
Term
Pa-37
Definition
left atrial enlargement
Term
Pa-50
Definition
LVH
Term
Pa-149
Definition
diastolic ventricular filling
Term
Pa-23
Definition
bicuspid
Term
Pa-138
Definition
TR
Term
Pa-227
Definition
MR
Term
Pa-139
Definition
hypertrophic
Term
Pa-124
Definition
myxoma
Term
Pa-133
Definition
bicuspid valve
Term
Pa-144
Definition
RV
Term
Pa-58
Definition
severe acute regurgitation
Term
Pa-4
Definition
MVP
Term
Pa-230
Definition
true apical aneurysm
Term
Pa-130
Definition
dresslers syndrome
Term
Pa-30
Definition
having the patient perform a valsalva maneuver
Term
Pa-2
Definition
hancock
Term
Pa-203
Definition
LVH
Term
Pa-218
Definition
MVP
Term
Pa-29
Definition
homograft
Term
Pa-129
Definition
ASD
Term
Pa-97
Definition
coarctation of the aorta
Term
PC-7
Definition
mask, gown if necessary
Term
PC-3
Definition
good communication
Term
PC-2
Definition
below the patients bladder
Term
ID-5
Definition
MR
Term
ID-2
Definition
pericarditis
Term
ID-1
Definition
AS
Term
Pr-36
Definition
4
Term
Pr-33
Definition
cardiac cath
Term
Pr-31
Definition
perpendicular
Term
Pr-13
Definition
20-40mm
Term
Pr-6
Definition
end diastole
Term
Pr-22
Definition
optimization of CRT
Term
Pr-10
Definition
slow filling
Term
Pr-40
Definition
right superior
Term
Pr-28
Definition
apical 4 and apical 2 chamber
Term
Pr-5
Definition
.85cm2
Term
Pr-29
Definition
false
Term
Pr-8
Definition
AOV
Term
Pr-42
Definition
continuous wave doppler
Term
Pr-21
Definition
0.4-0.6
Term
Pr-25
Definition
the frame preceding aortic valve opening
Term
Pr-14
Definition
.6-1.1 cm
Term
P&I-62
Definition
postprocessing
Term
P&I-63
Definition
second harmonic imaging
Term
P&I-55
Definition
all of the above
Term
P&I-61
Definition
pedoff
Term
P&I-49
Definition
reversal of e/a wave
Term
P&I-7
Definition
makes the spectral waveform smaller
Term
P&I-56
Definition
all of the above
Term
P&I-60
Definition
all of the above
Term
P&I-66
Definition
dynamic range
Term
P&I-29
Definition
aliasing and turbulence
Term
P&I-45
Definition
46mmHg
Term
P&I-46
Definition
5mmHg
Term
P&I-37
Definition
increase the surface area
Term
P&I-52
Definition
proximal isovelocity sufarce area
Term
P&I-2
Definition
2
Term
P&I-14
Definition
SATA
Term
P&I-24
Definition
turbulence
Term
P&I-39
Definition
digital imaging and communications in medicine
Term
P&I-59
Definition
focus
Term
P&I-48
Definition
A4C and A2C
Term
P&I-41
Definition
baseline
Term
P&I-31
Definition
mirror image artifact
Term
P&I-3
Definition
it is a progression
Term
P&I-54
Definition
ASD
Term
P&I-15
Definition
CW doppler
Term
P&I-53
Definition
all of the above
Term
T-1
Definition
pericardiocentisis
Term
T-2
Definition
pulsus paradoxus
Term
O-3
Definition
use both hands, interlocking the fingers
Term
A&P-29
Definition
anterior
Term
Left ventricular end diastolic volume is defined as
Definition
the volume in the ventricle at the end of diastole
Term
The coronary arteries mainly fill during
Definition
diastole
Term
The right coronary artery lies behind this aortic valve cusp
Definition
right
Term
Which waveform on the ECG represents atrial systole
Definition
p wave
Term
A&P-5
Definition
4
Term
A triangular shaped tracing of aortic regurgitation is seen in
Definition
severe acute regurgitation
Term
A right ventricle infarction is associated with this coronary
Definition
RCA
Term
The most common cause of systemic hypertension is
Definition
idiopathic
Term
What coronary artery feeds the right atrium, right ventricle and inferior wall of the left ventricle?
Definition
right coronary
Term
Which coronary artery feeds the left atrium, lateral and posterior wall of the left ventricle?
Definition
left circumflex
Term
Rapid ejection of blood flow into the aorta and pulmonary arteries describes this phase of the cardiac cycle
Definition
ventricular systole
Term
The coronary arteries mainly fill during
Definition
diastole
Term
Atrial systole accounts for approximately what percent of blood volume during the ventricular filling phase
Definition
30%
Term
This vein contains oxygenated blood and returns it back to the heart
Definition
pulmonary
Term
On the mitral valve inflow doppler tracing of a patient with constrictive pericarditis, the E velocity will be
Definition
decreased >25% upon inspiration and increased expiration
Term
What complication can occur in a patients with atrial fibrillation
Definition
left atrial clot
Term
Moderate aortic stenosis is considered when the aortic valve area is
Definition
1.1-1.5cm2
Term
Right ventricular hypertrophy can be a cause for a pressure overload in the right ventricle caused from
Definition
significant pulmonic stenosis
Term
Aortic valve excision with pulmonic valve replacement into the aortic position is known as the
Definition
ross procedure
Term
A peak pressure gradient of the pulmonic valve of >64 mmHg best describes
Definition
severe pulmonic stenosis
Term
A sinus of valsalva aneurysm most common ruptures into the
Definition
right ventricle
Term
The result of metastasizing tumors which excrete a tar like material causing the valve to stick open best describes
Definition
carcinoid syndrome
Term
Which of the following is a bioprosthetic valve
Definition
hancock
Term
A rare cardiac anomaly in which dilatation of the sinus area of the aorta occurs with possible rupture best defines
Definition
sinus of valsalva aneurysm
Term
Muffled heart sounds are associated with this abnormality
Definition
cardiac tamponade
Term
Gradual closure of the aortic valve best seen on M mode of the aorta is often associated with
Definition
a dilated cardiomyopathy
Term
When determining a RJA/LAA for mitral regurgitation, what value would indicate moderate mitral regurgitation
Definition
20-40%
Term
Which of the following is not a probable finding with a restrictive cardiomyopathy?
Definition
mitral annular calcification
Term
Vegetations which are              in size may not be detected on the transthoracic echo exam
Definition
<3mm
Term
Mitral annular calcification is typically a 2D finding in which of the following
Definition
hypertrophic cardiomyopathy
Term
Which of the following is a finding of mitral stenosis found on M mode of the mitral valve
Definition
anterior motion of the posterior mitral leaflet
Term
A rupture of a sinus of valsalva aneurysm most commonly occurs behind this aortic cusp
Definition
right
Term
A pleural effusion is seen            to the descending aorta on the parasternal long axis view
Definition
posterior
Term
A mild degree of regurgitation with prosthetic valve is considered normal
Definition
true
Term
Which cardiomyopathy is caused by genetics
Definition
hypertrophic cardiomyopathy
Term
The most common cause of systemic hypertension is
Definition
idiopathic
Term
On the m mode tracing of the mitral valve, prolapse is considered when the leaflets are displaced below the CD points by the distance
Definition
>2mm
Term
A symptom of mitral valve prolapse might be
Definition
non-ischemic chest pain
Term
Dilation of the aorta associated with Marfans syndrome does not usually occur in the
Definition
descending aorta
Term
Which of the following is not part of Eisenmengers syndrome
Definition
mitral stenosis
Term
A 35 year old patient with confirmed diagnosis of pericarditis and no evidence of a pericardial effusion refers to
Definition
dry pericarditis
Term
Myocardium that has been salvaged by coronary reperfusion that exhibits prolonged dysfunction after reperfusion is referred to as
Definition
stunned
Term
Which equation is used to calculate an aortic valve area using a component of echo
Definition
continuity equation
Term
An ausculatory finding in constrictive pericarditis may be
Definition
pericardial knock
Term
The most accurate 2D finding in the diagnosis of cardiac tamponade is
Definition
right ventricular diastolic collapse
Term
Which of the following will not demonstrate exaggerated respiratory variations upon interrogation of the AV valve with doppler
Definition
pericardial effusion
Term
A bicuspid aortic valve are most often associated with this congenital abnormality
Definition
coarctation of the aorta
Term
Which of the following is not a common finding in systemic hypertension
Definition
asymmetrical septal hypertrophy
Term
A narrowing in the descending aorta just distal to the left subclavian artery best describes this congenital abnormality
Definition
coarctation of the aorta
Term
Symptoms that may only be experienced during exercise best describes this type of cardiomyopathy
Definition
hypertrophic
Term
This abnormality is commonly seen in patients with acquired immune defiency syndrome
Definition
pericardial effusion
Term
severe aortic stenosis is considered when the aortic peak pressure gradient is
Definition
>64 mmHg
Term
With a hypertrophic cardiomyopathy you would see
Definition
left ventricular pressure overload
Term
When the color flow image is masked due to the high acoustic difference between the valve and blood of the mechanical valves, it becomes difficult to diagnose color abnormalities. This best desribes
Definition
dehiscence
Term
A myocardial infarction that extends through all the layers of the heart is known as
Definition
transmural
Term
A finding of holodiastolic flow reversal in the ascending aorta may be a false positive of severe aortic regurgitation if the patient has
Definition
a patent ductus arteriosus
Term
Constrictive pericarditis results in impairment of
Definition
disatolic ventricular filling
Term
A patient is brought to the stress lab to have an exercise treadmill test. During the final stage of Bruce protocol the patient begins to experience chest pain. The EKG shows St segment depression of 3mm. You would
Definition
stop the test
Term
A normal left ventricular measurement during systole should be
Definition
20-40mm
Term
This exam is indicated when a diagnosis cannot be made concerning wall motion abnormalities due to poor endocardial definition
Definition
contrast echo
Term
When assessing the severity of aortic stenosis, a peak to peak pressure gradient is obtained from this type of diagnostic exam
Definition
cardiac cath
Term
The method of assessing left ventricular function by tracing the ventricle during end diastole and end systole best describes this method of measurement
Definition
Simpsons
Term
When measuring 2D measurements, the left atrium is measured at
Definition
end systole
Term
mitral valve planimetry should be measured from the parasternal short axis view of the mitral valve
Definition
at the smallest area of the valve and tracing the inner orifice
Term
When measuring the isovolumetric relaxation time the measurment should be made
Definition
from closing click of aorta to opening click of mitral valve
Term
An abnormal response to stress echo would be
Definition
affected walls become hypokinetic with exercise
Term
The greater the stretch of the ventricle, the greater the force of contraction explains this law
Definition
starlings law
Term
When measuring using m mode, what values are measured from leading edge to leading edge
Definition
left atrium and aorta
Term
When performing a pharmacologic stress echo exam, if the target heart rate has not reached with dobutamine this medication can be given to increase heart rate
Definition
atropine
Term
What is dp/dt
Definition
loas dependent index of systolic performance
Term
on a m mode display the Y or vertical axis represents
Definition
depth
Term
gating determines the
Definition
sample volume length
Term
Tissue doppler imaging can be obtained from what views
Definition
A4C and A2C
Term
Speed and direction of blood flow is displayed using this component of echo
Definition
spectral doppler
Term
When determining the size of the flow convergence, this calculation is performed
Definition
proximal isovelocity surface area (PISA)
Term
Conventional color doppler can display all except
Definition
volume of blood flow
Term
A deeper sample volume has what effect on the frame rate
Definition
decreases
Term
Which statement about color aliasing is correct
Definition
it is a progression of red to blue or blue to red where the color saturates an wraps around the other color
Term
Returning frequency that is two to three times the emitted frequency best describes this component of 2D echo
Definition
second harmonic imaging
Term
What does DICOM acronym stand for
Definition
digital imaging and communication in medicine
Term
Besides the mechanical index, what other system control can potentially cause microbubble destruction
Definition
focus
Term
The range of signals that can be detected and processed by an ultrasound system best describes
Definition
dynamic range
Term
on color doppler, the black area of the red and blue color bar indicates
Definition
no doppler shift
Term
Which is not considered a method of focusing
Definition
geometric design, shape
Term
A hallmark finding of cardiac tamponade that is defined as a drop in the systolic blood pressure of greater than 10mmHg during inspiration best describes
Definition
pulsus paradoxus
Term
According to the AHA, the initial treatment for ventricular fibrillation is
Definition
unsynchronized cardioversion
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