Adrenal Disorders (Addisons, Cushings, Pheochromocytoma) Flashcards
Which hormones are released by the adrenal medulla?
Catecholamines (epinephrine and norepinephrine)
Which hormones are released by the adrenal cortex?
Glucocorticoids (cortisol), mineralcorticoids (aldosterone), and sex steroids (testerone)
Cushing’s Syndrome is usually caused by
Longterm use of oral systemic steroids
A patient with Cushing’s Syndrome has ______ cortisol levels
Increased
A patient with Cushing’s Syndrome has ______ aldosterone levels
Increased
A patient with Cushing’s Syndrome has ______ sodium levels
Increased
A patient with Cushing’s Syndrome has ______ potassium levels
Decreased
Diet recommendations for patient with Cushing’s Syndrome
Increased protein and potassium; decreased calories and sodium
A patient with Addison’s Disease has _______ potassium levels
Increased
A patient with Addison’s Disease has _______ sodium levels
Decreased
A patient with Addison’s Disease has _______ blood pressure
Low
A patient with Addison’s Disease has _______ cortisol levels
Decreased
A patient with Addison’s Disease has _______ aldosterone levels
Decreased
ACTH is released by the _______
anterior pituitary
ACTH targets the __________
adrenal cortex
Treatment for Addison’s Disease
Hormone replacement therapy:
Daily hydrocortisone; 2/3 on awakening; 1/3 late afternoon
Daily fludrocortisone (Florinef) in am
Salt additives for heat/humidity
(Increased doses when stressed)
3 x 3 rule for hormone replacement therapy dosing
3 times the normal dose for 3 days when stressed
What is an Addisonian Crisis?
ACUTE adrenal insufficiency
Treatment for Addisonian Crisis
IV hydrocortisone, saline, and dextrose
An Addison’s Disease emergency kit contains . . .
hydrocortisone 100 mg IM injection, syringes, and instructions
Nursing care during Addisonian Crisis
Frequent vital signs and stress free environment
Pheochromocytoma is a tumor on the _______
adrenal medulla
How is the pheochromocytoma diagnosed?
Elevated (24-hr) urine and plasma catecholamines
Symptoms of pheochromocytoma
Intractable high BP, palpitations, headache, and episodic sweating
Treatment for phreochromocytoma
Remove the tumor