Echo Board Questions and Answers

Echo Board Questions and
Answers


Fractional shortening - Definition


Ans- Percentage in change in the left ventricular cavity dimension with systole




Fractional shortening - Normal Values


Ans- 27-45%




Fractional shortening - Equation


Ans- (LVEDD-LVESD)/LVEDD x100




Stroke Volume - Definition


Ans- How much blood leaves the heart in one beat

,Stroke Volume - Equation


Ans- SV = EDV - ESV




EDV and ESV can be obtained from what three methods?


Ans- 1. Teicholz


2. Cube Method


3. Gibson




Cardiac Output - Definition


Ans- Volume of blood pumped by the heart per minute




Cardiac Output - Equation


Ans- CO = HR x SV




Cardiac Index - Equation


Ans- CI = CO/BSA

,Ejection Fraction - Definition


Ans- Percentage of the left ventricular diastolic volume that is ejected with

systole




Ejection Fraction - Equation


Ans- EF= SV/EDV =(EDV−ESV)/EDV




Ejection Fraction - Normal Values


Ans- Male: 52-72%


Female: 54-74%




What is the normal EF for a male?


Ans- 52-72%




What is the normal EF for a female?


Ans- 54-74%

, What is the normal value for Fractional Shortening?


Ans- 27-45%




Left ventricular mass is determined by


Ans- left ventricular muscle volume and specific gravity of the muscle




Normal LV Mass (linear method)


Ans- Male: 49-115


Female: 43-95




Normal LV Mass (2D method)


Ans- Male: 50-102


Female: 44-88




LV Volume is obtained using what method?


Ans- Simpson's biplane method of discs