Physiology: Cardiac

Question 1

Stroke Volume

Answer 1

= EDV-ESV

EDV- end diastolic volume
ESV- end systolic volume

Question 2

Ejection Fraction

Answer 2

= SV/ EDV

SV- Stroke Volume
EDV- End Diastolic Volume

Question 3

Cardiac Output

Answer 3

= HR x SV

HR- Heart Rate
SV- Stroke Volume

Question 4

Cardiac Index

Answer 4

= CO/ BSA

CO- Cardiac Output
BSA- Body Surface Area

Question 5

Systemic Vascular Resistance

Answer 5

= (MAP-CVP/CO) * 80

MAP- mean arterial pressure
CVP- central venous pressure
CO- cardiac output

Question 6

MAP

Answer 6

MAP-CVP=CO*SVR

MAP= 1/3 (Systolic) + 2/3 (Diastolic)

Question 7

Cardiac Output (Fick)

Answer 7

CO= VO2/ (CaO2- CvO2)

CO- cardiac output
CaO2- oxygen content of arterial blood
CvO2- oxygen content of venous blood