adrenal insuff. Flashcards
1
Q
2 main types
A
- primary - addisons
2. secondary
2
Q
4 cause of addisons
A
- idiopathic likely autoimmune
- infections - TB
- iatrogenic - bilat adrenalectomy
- mets
3
Q
most common cuase of secondary
A
steroids - MOST COMMON CAUSE
4
Q
2 main issues with AI
A
- lack of cort.
2. lack of aldo
5
Q
low cort Sx
A
- GI - anorexia, N/V abdo pain
- mental lethargy, confusion
- hypoglycemia
- HTN esp ortho
- hyperpigmentation
6
Q
low aldo Sx
A
- Na loss causing hyponatremia and hypovolemia
2. hyperkalemia
7
Q
4 Dx of AI
A
- low plasma cortisol
- plasma ACTH levels - if low implies secondary
- standard ACTH test
- give IV ACTH and measure cort at end - imaging - depending on where
8
Q
Tx of primary and secondary
A
- daily PO prednisone and fludrocortisone
2. same as for primary, but don’t ned mineralocort