100 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI Uptake - Poor ... #Differential #Diagnosis ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... , Loop diuretics ... Hypernatremia #Classification ... #Features #Diagnosis ... #Comparison #Table
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Algorithm Low ... intake • poor ... Hypomagnesemia • Osmotic diuresis ... #Algorithm #Causes ... #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Poor Intake ... Urinary Losses - Diuretics ... Low #Potassium #Table ... #Classification ... #Causes
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... Differential Diagnosis ... hyponatremia - Diuretics ... #Differential #Diagnosis ... #Table #Causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential Diagnosis ... Algorithm GI LOSS ... Urine Mg > 10g • Loop ... #Algorithm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... predictive of poor ... #differential #diagnosis ... #table #sodium
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 #diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... • HTN Absent: Loop ... and thiazide diuretics ... #Algorithm #causes
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... - Malnutntion, poor ... Saline or osmotic diuresis ... Hypomagnesemia #Causes ... #diagnosis #differential