Geriatrics Flashcards

1
Q

how many surgeries are performed on geriatric pts

A

40%

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2
Q

brain mass decreases ______ with aging

A

15%

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3
Q

geriatric CNS chagnes

A

decr CBF
decr CMRO2

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4
Q

geriatrics have a ______ metabolism

A

slower metabolism

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5
Q

geriatrics have _______ anesthetic need

A

lower

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6
Q

structural changes in blood vessels during aging

A

stiffening/thickening
atherosclerosis

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7
Q

geriatric pts have _______ response to vasoconstrictors and vasodilators

A

decreased response

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8
Q

geriatric CO

A

decreased

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9
Q

geriatric drug onset time

A

slower

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10
Q

geriatrics are ________ prone to ischemia

A

more prone

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11
Q

how do you increase CO in geriatric pts

A

incr SV (LVEDV)

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12
Q

resting HR _____ in geriatrics

A

decreases

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13
Q

maximum HR _____ in geriatrics

A

decreases

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14
Q

geriatrics have ______ closing volume

A

increasedg

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15
Q

geriatrics are _______ prone to atelectasis

A

more prone

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16
Q

geriatrics V/Q ration

A

increased mismatch
increases shunt

17
Q

geriatrics have ______ O2 transfer

A

less

18
Q

geriatrics have ______ PaO2

A

lower

19
Q

PaO2 decreases at what rate

A

0.35 mmHg/year

20
Q

MAC values _______ per decade

A

decrease 6% per decade after 40

21
Q

propofol dosing for geriatrics

A

50% decrease

22
Q

geriatric lungs

A

decr compliance
incr closing volume

23
Q

frail pts have _____ increase in mortality/postop complications

A

2-4x increase

24
Q

what is a strong predictor of postop complications

A

dementia