# Equations Flashcards

1
Q

What is the equation to calculate cardiac output

A

CO = HR x SR

Heart rate x stroke volume

2
Q

Define stroke volume

A

Volume of blood pumped by the left ventricle per beat

3
Q

What is the equation to calculate stroke volume

A

EDV - ESV

End diastolic volume - end systolic volume

4
Q

What is stroke volume measured in

A

mL/beat

5
Q

What is stroke volume usually

A

60-130 mL/beat

6
Q

What is cardiac output measured in

A

L/min

7
Q

What is the equation for OHM’s law

A

Flow = pressure / resistance

8
Q

What is the equation for pulse pressure

A

Systolic - diastolic pressure

9
Q

What is pulse pressure measured in

A

mmHg

10
Q

What is the equation for blood pressure

A

CO (cardiac output) x total peripheral resistance

11
Q

What is blood pressure measured in

A

mmHg

12
Q

What is the equation for mean arterial pressure (MAP)

A

Diastolic pressure + 1/3 pulse pressure

13
Q

What is the equation for Poiseuille’s Law

A

Flow = radius to power of 4