Cardiac physio equations Flashcards

1
Q

What is Ohm’s law?

A

I = V/R = Current = Voltage/Resistance

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2
Q

What is pressure equal to?

A

Resistance X Flow

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3
Q

What is the equation for SVR?

A

MAP-CVP/CO X 80

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4
Q

What are the units of SVR?

A

dynes X sec X cm-5

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5
Q

What is the equation for CPP?

A

AoDP-LVEDP

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6
Q

What is the equation for resistance in blood vessels?

A

R = 8nL/r4

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7
Q

What is the equation for PulmVR?

A

Pulm. Art. Pressure - LAP/CO X 80

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8
Q

What is the equation for compliance?

A

Volume/pressure

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9
Q

What is the equation for MAP?

A

(SBP +2DBP)/3

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10
Q

What is another equation for MAP?

A

DBP + 1/3 PP

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11
Q

What is the equation for CO?

A

SV X HR

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12
Q

What is the equation for cardiac index?

A

CO/Body SA

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13
Q

What is the equation for EF?

A

SV/EDV

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14
Q

What is the equation for SvO2?

A

SaO2 - (VO2/CO X Hb X 1.34)

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