Hemodynamics Flashcards

1
Q

Study of blood flow throughout body

A

Hemodynamics

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2
Q

Outer layer of connective tissue that contains vasa vasorum

A

Túnica adventitia / Túnica Externa

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3
Q

Normal arterial flow, parabolic shape, highest velocity in center. Starts as plug flow.

A

Laminar flow

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4
Q

Fluid moved from high to low pressure. What is the energy level difference between 2 points called?

A

Pressure gradient

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5
Q

Decrease resistance = ________ flow rate

A

Increase

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6
Q

Total energy =

A

PE + KE + GE

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7
Q

Highest gravitational potential energy occurs when

A

Standing.

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8
Q

Próx to stenosis: PE high, KE low. Highest total energy

In stenosis: PE dec, KE inc, energy lost as heat

Distal to stenosis: PE inc, KE dec. total energy lowest.

A

Know this

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9
Q

Pulsatility Index

A

(Peak systolic - end diastolic)/mean

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10
Q

Prolonged, slow systolic acceleration with small systolic amplitude and rounding of systolic peak. Occurs distal to stenosis.

A

Tardus Parvus

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