Diseases

Question 1

Cushing’s Syndrome

Answer 1

Hyperadrenalism
Increased [cortisol] supresses ADH

↑ Na ↓ K

Pituitary tumors

Question 2

Addison’s Disease

Answer 2

Hypoadrenalism
1° ; involving entire adrenal cortex

↑ ACTH ↓ Cortisol ↓ Aldosterone

↑ K ↓ Na

Hypoglycemia

Question 3

Conn’s Syndrome

Answer 3

Hyperadrenalism
1° hyperaldosteronism
Increase secretion of aldosterone

↑ Na ↓ K

Adrenal adenoma

Question 4

SIADH

Syndrome of Inappropriate Antidiuretic Hormone

Answer 4

Overproduction of ADH from an ectopic site

↓ Na ↓ Plasma Osm ↑ Urine Osm

Lung cancer

Question 5

Fanconi’s Syndrome

Answer 5

Renal tubular defects
*returns nutirents to blood, remaining fluid turns to urine

↓ PO4 (hypophosphatmia)

Question 6

Rickets & Osteomalacia

Answer 6

Metabolic bone disorder
*imbalance between bone formation and resorption
Defective mineralization of bone due to Vit D Def or Phos Depletion

↓ PO4

Question 7

Secondary Hyperaldosteronism

Answer 7

Hyperadrenalism
2° caused by decrased blood flow to kidney

↓ K ↑ Na

CHF, Nephrotic Syndrome, Stenosis

Question 8

Rhabdomyolysis

Answer 8

Breakdown of sk. muscle after trauma
*myoglobinuria

↑ K (hyperkalemia)