Echocardiography Flashcards Preview

Cardiology Exam IV > Echocardiography > Flashcards

Flashcards in Echocardiography Deck (20):
1

TTE

Trans thoracic echocardiogram

2

TEE

Trans-esophageal echocardiogram

3

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

B Mode

Brightness indicates strength

4

M-Mode

Good For Valve Thickness and Timing

AKA "Ice Pick Mode" from one ultrasonic beam

5

2D Imaging

Typical View for Echo

Must get several views to make this quantitative

6

Pulsed Doppler

Good to show low flow

LVOT and Mitral Valve Inflow

7

Depth = CT/2

C- speed of sound
T- Time

THis eqution is equal to 77/T

8

Pulse Repetition Frequency

C/2D =77/d

9

Doppler Echocardiography is good for:

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

10

Continous Doppler

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

11

Colored Doppler

Color scheme to show flow away and towards the transducer

12

General Indications for Echo

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

13

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

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

14

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

Size
Thrombus (TEE)/mass

15

Evaluation of valvular abnormalities

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

16

Evaluation of aorta

Root size
Atheroma
Dissection
Aneurysm
More info from TEE**

17

Evaluation of Congenital Anomalies

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

18

Evaluate pericardium

Effusion
Tamponade
Thickening
Mass

19

Stress echo can be don unde which circumstances

Dobutamine
Exercise

20

Tissue Harmonic Imaging

Improved endocardial resolution