Co-existing diseases- Pheochromocytoma Flashcards Preview

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Flashcards in Co-existing diseases- Pheochromocytoma Deck (9)
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1
Q

Pheochromocytoma:

it is a tumor located where?

A

adrenal medulla (or chromaffin tissue of the paravertebral sympathetic chain)

2
Q

Pheochromocytoma:
Is a tumor of the adrenal medulla (or chromatin tissue of the paravertebral sympathetic chain) that has excessive secretion of what?

A

catecholamines ( usually norepinephrine)

3
Q

Pheochromocytoma:

the tumor is found where 95% of the time

A

abdominal cavity

4
Q

Pheochromocytoma:

the tumor originates where 90% of the time

A

adrenal medulla

5
Q

Pheochromocytoma:
it is manifested by paroxysmal HTN, sweating, tremulousness, and tachycardia. other signs and symptoms headache, palpitations, and orthostatic hypotension. that being said… what is the diagnostic triad:

A

diaphoresis
Tachycardia
headaches

6
Q

Pheochromocytoma:

is not diagnosed and treated in a timely manner, the pt may die from what?

A

CHF
MI
intercerebral hemorrhage

7
Q

Pheochromocytoma:

treatment for pre-op preparation

A
alpha blockade (Phenoxybenzamine)
Beta blockade (to control tachycardia)
fluid status assed/hypovolemia corrected
8
Q

Pheochromocytoma: anesthesia considerations

you don’t want to stimulate the SNS. how should this be done

A

sedate for lines

have them deep for induction, DL, incision

9
Q

Pheochromocytoma: anesthesia considerations

control tachycardia w/ what?

A

esmolol, labetalol

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