electrolytes Flashcards
Prolonged QT interval on EKG
Hypocalcemia
hypoparathyroidism
hypophosphatemia
low fluid intake, excessive physical exercise, and prior Hx
Risk of calcium oxalate stones
preferred method of imaging for adults when nephrolithiasis or urolithiasis is suspected
CT
Malnutrition, eating disorders, and patients with cancer
Hypomagnesemia
Common with hypokalemia
Hypomagnesemia
Hypothyroidism and chronic GERD due to antacid abuse
hypermagnesemia
Tx for hyperkalemia
Calcium gluconnate, albuterol, regular insulin, furosimide
Tx for euvolemic and hypervolemic hyponatremia
Free water restriction
Euvolemic and hypervolemic hyponatremia - treat with free water restriction
SIADH or psychogenic polydipsia
Tx for Hyponatremia and neurologic symptoms
3% Hypertonic Saline
Tx for hypovolemic hyponatremia
0.9% NaCl 500 cc bolus
Normal anion gap
8-16 mEq/L
Bones, stones, groans, and psychiatric overtones
Hypercalcemia
Tx for hypercalcemia
IV fluids 1st, then bisphosphonates