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 ...
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
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