21 results
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Renal Losses: - Diuretics ... diuretics, and ... , Osmotic diuresis ... diuretic use), ... Hypokalemia #Causes #differential
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Remote use of loop ... or thiazide diuretics ... pressure: Active diuretic ... Gitelman syndrome, Hypomagnesemia
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... and thiazide diuretics ... Hypokalemia - Osmotic diuresis ... Post-obstructive diuresis ... #Differential #
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Urine Mg > 10g • Loop ... Diuretics • Hypercalcemia-PTH ... syndrome • Thiazide Diuretics ... #Low #Causes #Differential
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Hypokalemia • Hypomagnesemia ... Syndrome • Osmotic Diuresis ... Acetazolamide and Thiazide Diuretics ... Diagnosis #Algorithm #endocrinology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... Saline or osmotic diuresis ... disease Drugs: - Loop ... diuretics - Aminoglycosides ... Causes #diagnosis #differential
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
foscarnet - Diuretics ... Furosemide and other loop ... diuretics ... antiretroviral therapy - Diuretics ... #Medications #differential
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Saline or osmotic diuresis ... disease • Drugs: Loop ... diuretics, Aminoglycosides ... #Causes #differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Remote use of loop ... or thiazide diuretics ... pressure: Active diuretic ... Gitelman syndrome, Hypomagnesemia ... Algorithm #nephrology #differential
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... tubular transport • Diuretics ... (loop/thiazide) ... • Hypomagnesemia