Geriatrics 2 Flashcards

1
Q

Which factor remains unchanged in the healthy geriatric patient?
a. pulse pressure
b. systolic function of the heart
c. systemic vascular resistance
d. lusitropy

A

b. systolic function of the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happens to BP as we age?

A

increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What happens to pulse pressure as we age?

A

increased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What happens to diastolic function as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What happens to systolic function as we age?

A

no change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What happens to stroke volume as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What happens to cardiac output as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What happens to heart rate as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Arterial stiffness increases__________ to a greater degree than __________

A

SBP; DBP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A decreased cardiac output leads to a

A

prolonged circulation time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which factor decreases as a result of the aging process?
a. baroreceptor sensitivity
b. incidence of orthostatic hypotension
c. plasma norepinephrine concentration
d. sympathetic tone

A

a. baroreceptor sensitivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What happens to SNS tone as we age?

A

increased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What happens to PNS tone as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What happens to baroreceptor function as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What happens to ability to thermoregulate as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What happens to responsiveness to catecholamines as we age?

A

decreased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

________ dysfunction is associated with the normal aging process

A

Autonomic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

There is _____________ concentration in the plasma as we age

A

higher norepinephrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The decreased PNS tone may lead to

A

encumberment of the ability of anticholinergics to increase heart rate

20
Q

Reduced baroreceptor response increases the risk of

A

orthostatic hypotension
syncope
greater degree of hemodynamic compromise following sympathectomy

21
Q

By what percentage does MAC decrease for each decade of life after 40 years of age?

A

6% per decade

22
Q

What happens to brain mass as we age?

A

decreased

23
Q

What happens to neurotransmitter activity in the brain as we age?

A

decreased

24
Q

What happens to the peripheral nerve quantity and function as we age?

A

decreased

25
Q

The most common perioperative CNS complication in the elderly is

A

postoperative delirium

26
Q

Postoperative delirium tends to occur _______________, while postoperative cognitive dysfunction tends to occur _________

A

early in the postoperative period; weeks to months after surgery

27
Q

Treatment for postoperative delirium includes

A

reversing the underlying cause
antipsychotics
minimizing polypharmacy

28
Q

What is the treatment for postoperative cognitive dysfunction?

A

there’s no specific treatment

29
Q

Most cases of POCD resolve

A

after about 3 months and are mild

30
Q

Risk factors for postoperative delirum include

A

drugs
electrolyte imbalance
lack of drugs (withdrawal)
infection (UTI and respiratory)
reduced sensory input
intracranial dysfunction
urinary retention and fecal impaction
myocardial event, male gender
(spells delirium)

31
Q

What is the presentation of postoperative delirium?

A

disordered behavior
perception
memory
psychomotor skills

32
Q

What is the presentation of postoperative cognitive dysfunction?

A

subtle and difficult to pinpoint
impaired concentration, comprehension, and psychomotor skills

33
Q

Risk factors for postoperative cognitive dysfunction include

A

advanced age (most significant risk factor)
pre-existing cognitive deficit
cardiac surgery
long duration of surgery
high ASA status
low level of education
anesthetic agents

34
Q

_________ matter atrophies at a faster rate than _________ matter

A

grey; white

35
Q

The dose of IV induction agents for the elderly patient should be reduced by

A

30-40%

36
Q

What is the sensitivity of the elderly persons brain to anesthetic agents?

A

increased

37
Q

Alzheimer’s disease is characterized by

A

decreased acetylcholine

38
Q

Parkinson’s disease is characterized by

A

decreased dopamine in the basal ganglia

39
Q

Identify the statements that MOST accurately describe neuraxial anesthesia in the elderly patient. (select 2)
a. spinal anesthesia is associated with a lesser spread of local anesthetic
b. CSF volume is increased
C. epinephrine test dose has a higher rate of a false-negative result
d. epidural anesthesia is associated with a greater spread of local anesthetic

A

c. epinephrine test dose has a higher rate of a false-negative result
d. epidural anesthesia is associated with a greater spread of local anesthetic

40
Q

Describe the elderly patients sensitivity to epidural anesthetics.

A

increased

41
Q

Describe the elderly patients’ sensitivity of nerve tissue to local anesthetics.

A

increased

42
Q

Describe the elderly patients’ sensitivity to intrathecal anesthetics

A

increased

43
Q

Describe the difficulty of neuraxial block placement in the elderly patient.

A

increased

44
Q

Describe the elderly patient’s response to epi test dosing.

A

decreased

45
Q

What is the CSF volume of the elderly patient?

A

decreased resulting in greater spread of LA