Co-existing diseases- Pheochromocytoma

Question 1

Pheochromocytoma:

it is a tumor located where?

Answer 1

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

Question 2

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

Answer 2

catecholamines ( usually norepinephrine)

Question 3

Pheochromocytoma:

the tumor is found where 95% of the time

Answer 3

abdominal cavity

Question 4

Pheochromocytoma:

the tumor originates where 90% of the time

Answer 4

adrenal medulla

Question 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:

Answer 5

diaphoresis
Tachycardia
headaches

Question 6

Pheochromocytoma:

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

Answer 6

CHF
MI
intercerebral hemorrhage

Question 7

Pheochromocytoma:

treatment for pre-op preparation

Answer 7

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

Question 8

Pheochromocytoma: anesthesia considerations

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

Answer 8

sedate for lines

have them deep for induction, DL, incision

Question 9

Pheochromocytoma: anesthesia considerations

control tachycardia w/ what?

Answer 9

esmolol, labetalol