equations Flashcards

1
Q

Pulse pressure

A

systolic presure - Diastolic pressure

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1
Q

compliance

A

Change in volume / Change in pressure

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2
Q

Stroke volume

A

EDV - ESV

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3
Q

Ejection fraction

A

Sv / EDV

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4
Q

Cardiac output

A

SV x HR

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5
Q

stroke work

A

VPP x SV

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6
Q

Ventricular pulse pressure

A

Peak systolic pressure - EDP

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7
Q

Work

A

Force x distance

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8
Q

Ventricular minute work

A

SV x HR x VPP

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9
Q

Cardiac output

A

whole body O2 / artery O2 - vein O2

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10
Q

Mean arterial pressure

A

CO x TPR
or
SV x HR x TPR

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11
Q

change in pressure

A

MAP - RAP

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12
Q

Net filtration pressure

A

(hydrostatic pressure capillaries - hydrostatic pressure in interstitial fluid) - (capillary oncotic pressure - interstitial osmotic pressure)

(pc-pi) - (ttc-tti)

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13
Q

fluid movement

A

km x (hydrostatic pressure capillaries - hydrostatic pressure in interstitial fluid) - (capillary oncotic pressure - interstitial osmotic pressure)

km=1

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14
Q

flow

A

pressure in artery - pressure in vein

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15
Q

if vein pressure greater than tissue pressure flow:

A

pressure in artery - pressure in vein

16
Q

if tissue pressure is greater than vein pressure flow:

A

pressure in artery - pressure in tissue

17
Q

Total peripheral resistance

A

MAP / CO