Cardio12 Flashcards

Capillary Fluid Exchange

1
Q

What type of forces determine fluid movement through capillary membrane?

A

Starling forces

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2
Q

Pc = capillary pressure -

A

Pushes fluid OUT of capillary

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3
Q

Pi = Interstitial fluid pressure -

A

Pushes fluid INTO capillary

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4
Q

pi(c) = plama colloid osmotic pressure -

A

Pulls fluid INTO capillary

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5
Q

pi (i) = Interstitial fluid colloid osmotic pressure -

A

Pulls fluid out of capillary

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6
Q

Net flitration pressue (Pnet) =

A

[(Pc - Pi) - (pi (c) - pi (i))]

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7
Q

Kf =

A

filtration constant (capillary permeability)

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8
Q

Net fluid flow (Jv) =

A

(Kf)(Pnet)

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9
Q

Edema is commonly caused by what?

A

INcreased capillary pressure (Pc)
DEcreased plama proteins (pi (c))
INcreased capillary permeability (Kf)
INcreased interstitial colloid osmotic pressure

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10
Q

INcreased capillary pressure is associated with?

A

Heart failure

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11
Q

DEcreased plama proteins is associated with?

A

Nephrotic syndrome

Liver failure

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12
Q

INcreased capillary permeability is associated with?

A

Toxins
Infections
Burns

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13
Q

INcreased interstitial colloid osmotic pressure is associated with?

A

Lymphatic blockage

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