dx of adrenal cortex Flashcards

1
Q

cushing syndrome

A
  • excess or glucocorticoids

- sweet and hanging on to H2O

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2
Q

classic s/s of cushing syndrome

A
  • weight gain
  • truncal obesity
  • moon face
  • buffalo hump
  • purplish strae
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3
Q

diagnostics cushing syndrome

A
  • 24 hour urine for free cortisol
  • dexamethasone suppression test
  • plasma cortisol
  • CT scan, MRI to look for tumor
  • plasma ACTH levels
  • CBC electrolytes
  • eye exam
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4
Q

tx for cushing syndrome

A
  • transsphenoidal surgery: pituitary tumor
  • adrenlectomy for malignant tumors
  • radiation
  • drugs: mitotane, ketoconazole
  • gradual d/c of corticosteroids
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5
Q

complications of cushing syndrome

A
  • CV dz
  • DM
  • infx
  • polycythemia
  • changes in appearance: hirsutism, gynecomastia
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6
Q

interventions of cushing syndrome

A
  • monitor VS
  • daily weights
  • monitor glucose
  • control HTN, hyperglycemia, hypokalemia
  • high protein diet
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7
Q

postop for cushing syndrome

A
  • monitor for post hemorrhage (around flank)
  • monitor BP, fluid balance, electrolytes
  • high doses of corticosteroids
  • monitor infx, I/O
  • monitor urine cortisol levels
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8
Q

adrenocortical insufficiency

A

-hypofunction of adrenal cortex

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9
Q

primary adrenocortical insufficiency

A

addison’s disease

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10
Q

secondary adrenocortical insufficiency

A
  • lack of ACTH secretion

- d/t pituitary dz or suppression of the hypothalamic pituitary axis

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11
Q

addison’s dz

A
  • d/t autoimmune response

- adrenal tissue is destroyed by antibodies

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12
Q

s/s of addison’s dz

A
  • hyperpigmentation
  • hypotension
  • fatiguability
  • decreased muscle size and tone
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13
Q

diagnostics for addison’s dz

A
  • ACTH stimulation test
  • electrolytes, glucose, CBC, BUN/Cr
  • peaked T waves
  • CT scan, MRI
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14
Q

tx for addison’s dz

A
  • hydrocortisone (replacement tx)
  • during stress: increase cortisol
  • mineralcorticoid replacement
  • increase salt intake
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15
Q

medium stress in addison’s dz

A
  • double dose
  • surgery
  • infection
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16
Q

high stress in addison’s dz

A
  • triple stress

- losing job

17
Q

s/s of addisonian crisis

A
  • hypotension, tachycardia
  • dehydration
  • low Na, glucose; high K
  • fever, confusion, weakness, shock
  • circulatory collapse
18
Q

causes of addisonian crisis

A
  • stress
  • post op adrenal surgery
  • sudden w/d of corticosteroid hormone replacement tx
  • pituitary gland destruction
19
Q

tx of addisonian crisis

A
  • high dose hydrocortisone replacement
  • large volumes of NS and D5W
  • VS q30min for 24 hours
  • I/O, daily weights
  • protect from light and environment extremes
20
Q

complications of corticosteroids

A
  • HTN
  • immunosuppression
  • inhibited response to vaccines
  • PUD
  • mood, behavior changes
  • fat redistribution
  • delayed healing
  • osteoporosis
21
Q

pheochromocytoma

A
  • tumor of the adrenal medulla
  • produces excessive catecholamine (epi, norepi)
  • 90% are benign
22
Q

s/s of pheochromocytoma

A
  • HTN, postural hypoTN
  • hypermetabolism
  • hyperglycemia, polyuria
  • HA, visual disturbances, psychotic behavior
  • n/v/d, abd pain
  • tremors, pallor, perspiration, face flushing
23
Q

diagnostics pheochromocytoma

A
  • VMA
  • elevated epi, norepi in serum and urine
  • CT scan, MRI of adrenal gland
  • clonidine suppression test
24
Q

tx for pheochromocytoma

A
  • meds

- adrenalectomy

25
Q

interventions for pheochromocytoma

A
  • bed rest, HOB 45 degrees
  • calm, quiet environment
  • eliminate stimulants
  • sedatives
  • maintain fluids