37 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Diagnosis Algorithm ... Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... , Loop diuretics ... Postobstructive diuresis ... Hypernatremia #Classification ... Diagnosis #Comparison #Table
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... anhydrase inhibitors, loop ... syndrome (mimics loop ... #Hypokalemia #Causes ... #differential #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... • HTN Absent: Loop ... and thiazide diuretics ... #causes #potassium
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
Increased Urination - Differential ... kidney disease, Loop ... Diuretics, Recovery ... phase of ATN, Hypercalcemia ... Increased #Urination #Differential
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... Differential Diagnosis ... hyponatremia - Diuretics ... Diagnosis #Table ... #Causes
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure → Dialysis with low Ca++ bath
Aggressive IV hydration
Treatment algorithm ... Volume Overload → Loop ... diuretic IV Bisphosphonate ... Calcitonin Refractory Cases ... #Treatment #algorithm
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... disease Drugs: - Loop ... Hyperparathyroidism - Hypercalcemic ... Hypomagnesemia #Causes ... #diagnosis #differential
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Diagnosis Algorithm ... tubular transport • Diuretics ... (loop/thiazide) ... #Causes