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CV > Blood flow > Flashcards

Blood flow Flashcards

1
Q

Blood flow equation

A

Q = arterial pressure (P) / peripheral resistance (R)

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2
Q

BP equation

A

BP = CO x SVR

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3
Q

Normal CO

A

~5 L/min

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4
Q

CO equation

A

CO = SV x HR

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5
Q

Normal SVR

A

~0.018 mmHg/min

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6
Q

MAP

A

MAP = DP + 1/3 (pulse pressure)

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7
Q

Measurement of CO

A

pulmonary artery (Swan Ganz) catheter
estimate CO via thermodilution
- indicator = cooled saline; injected; mixes with warm blood in RV; temp change measured by thermister in distal port
also measures RVP, PAP, and pulmonary wedge pressure

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CV (16 decks)

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