20 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Proton-pump inhibitors ... Loses - Medications ... - Uncontrolled diabetes ... #Differential # ... Diagnosis #Low #
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
hypokalemia and hypomagnesemia ... foscarnet - Diuretics ... Drug-induced renal ... #Medications #differential ... #diagnosis #nephrology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Correction of diabetic ... #Causes #diagnosis ... #differential # ... medications #drugs ... #pharmacology #
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... - Acquired: Medications ... transplant, Diuretic ... #differential # ... diagnosis #causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
(treatment of diabetic ... Villous adenoma Renal ... carbonic anhydrase inhibitors ... Hypokalemia #Causes #differential ... #diagnosis #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... disequilibrium syndrome • Diagnosis ... of Renal Epithelial ... #Pharmacology # ... Medications #Table
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Correction of diabetic ... steatorrhea) • Renal ... #Causes #differential ... #diagnosis #nephrology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... loss • Medication ... • Hypomagnesemia ... • Osmotic diuresis
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... • Nephrogenic Diabetes ... solute loading • Relief ... Dl • Chronic Renal
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... Diagnosis Excess ... mellitus, SGLT2 inhibitors ... Diabetes Insipidus ... Nephrogenic DI (Renal