Co-existing diseases- Pheochromocytoma Flashcards Preview

► Med Misc 44 > Co-existing diseases- Pheochromocytoma > Flashcards

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

Pheochromocytoma:
it is a tumor located where?

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

2

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

catecholamines ( usually norepinephrine)

3

Pheochromocytoma:
the tumor is found where 95% of the time

abdominal cavity

4

Pheochromocytoma:
the tumor originates where 90% of the time

adrenal medulla

5

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:

diaphoresis
Tachycardia
headaches

6

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

CHF
MI
intercerebral hemorrhage

7

Pheochromocytoma:
treatment for pre-op preparation

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

8

Pheochromocytoma: anesthesia considerations
you don't want to stimulate the SNS. how should this be done

sedate for lines
have them deep for induction, DL, incision

9

Pheochromocytoma: anesthesia considerations
control tachycardia w/ what?

esmolol, labetalol

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