Hemodynamics

Question 0

Cardiac index

Answer 0

2.2-4 liters/minute

Question 1

Cardiac output

Answer 1

Volume of blood pumped in one minute
Heart rate X stroke volume
4-8 liters/minute

Question 2

Preload

Answer 2

Volume at end of diastole

Increased by fluids, decreased by diuretics

Question 3

PAWP

Answer 3

Left side high pressure system
Left atrium
6-12 mm Hg
High PAWP-left side hear failure

Question 4

CVP

Answer 4

Right side low pressure system
Right atrium
2-8mm Hg
High CVP- right heart failure

Question 5

Afterload

Answer 5

Left side of heart
SVR- 800-1200 dynes/sec
High SVR- vasoconstricted
Low SVR- vasodilation

Question 6

PAP

Answer 6

Pulmonary artery pressure
Right ventricle
25/4-12

Question 7

SVR

Answer 7

Left ventricle
800-1200 dynes
High SVR- constricted
Low SVR- vasodilation