Steady Flow vs Pulsatile Flow Flashcards

1
Q

steady flow originates from a

A

steady driving pressure

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2
Q

steady driving pressure has a more ________ behavior

A

predictable

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3
Q

In a rigid tube, energy losses mainly viscous, this can be described by

A

Poiseullie Equation

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4
Q

what changes both the driving pressure conditionas as well as the response of the system

A

pulsatile flow

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5
Q

during systole, what opens

A

ao valve, forward floe throughout the periphery (fluid acceleration)

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6
Q

late systole/ early diastole

A

temporary flow reversal

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7
Q

temporary flow reversal is due to a

A

phase shifted neg pressure gradient and peripheral resistance, causing reflection of the wave prox

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8
Q

the dicrotic notch is related to

A

closure of the ao valve and the influence of peripheral resistance

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9
Q

what happens to the flow during late diastole

A

flow is forward, as reflective wave hits the prox resistance of the next oncoming wave and reverses

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