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Cardiology Exam IV > Echocardiography > Flashcards

Echocardiography Flashcards

1
Q

TTE

A

Trans thoracic echocardiogram

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2
Q

TEE

A

Trans-esophageal echocardiogram

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3
Q

Which is used more often by ultrasound : A- mode or B- Mode ?

A

B Mode

Brightness indicates strength

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4
Q

M-Mode

A

Good For Valve Thickness and Timing

AKA “Ice Pick Mode” from one ultrasonic beam

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5
Q

2D Imaging

A

Typical View for Echo

Must get several views to make this quantitative

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6
Q

Pulsed Doppler

A

Good to show low flow

LVOT and Mitral Valve Inflow

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7
Q

Depth = CT/2

A

C- speed of sound
T- Time

THis eqution is equal to 77/T

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8
Q

Pulse Repetition Frequency

A

C/2D =77/d

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9
Q

Doppler Echocardiography is good for:

A 
Determination of the jet velocity
Calculation of jet gradients
Calculation of valve areas
Calculation of pressure gradients between cardiac chambers
Diastolic function
Color flow
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10
Q

Continous Doppler

A

Measures velocity along an entire line, good for high grade flow. MVS and MVR

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11
Q

Colored Doppler

A

Color scheme to show flow away and towards the transducer

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12
Q

General Indications for Echo

A 
Evaluate shortness of breath/DOE
Evaluate heart failure
Evaluate murmurs
Evaluate arrhythmias
Evaluate hypotension/shock of unclear etiology
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13
Q

What can ultrasound be used to evaluate in the Left And Right Vetricles

A 
EF
Hypertrophy
Restrictive, infiltrative, dilated, etc.
Wall motion abnormalities
Thrombus
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14
Q

What can ultrasound be used to evaluate in the Left & right atrium

A

Size

Thrombus (TEE)/mass

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15
Q

Evaluation of valvular abnormalities

A 
All 4 valves
Stenosis and regurgitation
Prosthetic valve function
Endocarditis
Best done with TEE
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16
Q

Evaluation of aorta

A 
Root size
Atheroma
Dissection
Aneurysm
More info from TEE**
17
Q

Evaluation of Congenital Anomalies

A

ASD/PFO
VSD
Complex anatomy i.e.. TET, Transposition

18
Q

Evaluate pericardium

A

Effusion
Tamponade
Thickening
Mass

19
Q

Stress echo can be don unde which circumstances

A

Dobutamine

Exercise

20
Q

Tissue Harmonic Imaging

A

Improved endocardial resolution

Cardiology Exam IV (9 decks)

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