Hjerte 3 Flashcards

1
Q

Arbejde hjertet leverer

A

W (work) = F (force) x L (displacement)
= P (pressure) x A x L
= Tryk · Volumen ..?

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2
Q

Tryk

A

P = E(energi)/V(volumen)

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3
Q

Lineære flow hastighed (v)

A

v = volumen flow/ areal = Q/A
Ved forsnævring billede
Volumen flow konstant, areal mindre medfører højere lineær flow hastighed

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4
Q

Tre vigtige tryk

A

Transmurale tryk

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5
Q

Regulere lumen af vores arterioler pga.

A

relation ml modstand og radius^4
R =8hL/pr^4
God/effektiv måde at ændre modstanden i karrene

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