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932 Pathophysiology > Important Equations > Flashcards

Important Equations Flashcards

1
Q

CO is equal to

A

CO= HR x SV

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2
Q

BP=

A

BP=COxSVR

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3
Q

Blood flow=

A

MAP/SVR

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4
Q

Afterload=

A

LVP x chamber radius/wall thickness

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5
Q

CorrPP

A

ADBP-LVEDP

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6
Q

Coronary blood flow=

A

CorrPP/coronary artery resistance

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7
Q

Demand is affected by

A 
Any work the heart does:
Preload 
Afterload
Contractility 
Heart rate
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8
Q

Workload of the heart is proportional to

A

Cardiac output
LVP
Preload (volume)/ F/S

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9
Q

Factors that affect LVEDP:

A

Volume in the LV
compliance of LV
External pressure on heart

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10
Q

Factors that affect LVP

A

ADBP
Chamber radius
Outflow tract diameter
Wall thickness (inversely proportional)

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11
Q

LVP is

A

The ejection phase of systole

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12
Q

Factors that affect ADBP

A
  1. SVR
  2. Volume
  3. Peripheral run off
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13
Q

LVP is important because

A

It affects coronary demand

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932 Pathophysiology (8 decks)

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