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
Shortened QT interval on EKG
Hypercalcemia
Abdominal cramping, nausea, ileus, constipation (groans)
Hypercalcemia
prolonged seizure activity and hyponatremia
3% Hypertonic Saline
Tx for Hypervolemic hypo-osmolar hyponatremia
Fluid overload - Treat with dialysis
Short QT with ST depression, tall peaked T-waves on EKG
Hperkalemia
Common in missed dialysis
hyperkalemia
Meds that cause hyponatremia at therapeutic doses
diuretics, SSRIs, antipsych, celecoxib, chemo
Tx for hypercalcemia greater than 18
Dialysis
Multiple Myeloma conerning electrolytes
Hypercalcemia
Hiccups
Hyponatremia
Phosphorus has an inverse relationship with
Calcium
Calcium has an inverse relationship with
Phosphorus
Anion Gap calc
Na - (Cl+HCO3)
High Anion gap is defined as…
> 12
Cleft pallet
hypocalcemia
Electrolyte abnormality in V-Tach
Magnesium
ACEI’s
Hyperkalemia
Adrenal insufficiency (Addison’s)
hyponatrameia and hyperkalemia
Cushing syndrome or Primary Aldosteronism
Hypokalemia
Diabetes Insipidus
Low HCO3