29 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Algorithm GI LOSS ... Urine Mg < 10g • Diarrhea ... #Magnesium #Low ... #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... - Polyuria - Hypomagnesemia ... #Low #Potassium ... #Table #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Hypokalemia • Hypomagnesemia ... • Small bowel diarrhea ... Steatorrhea • Chronic Diarrhea ... #causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Congenital chloride diarrhea ... - Normal/low ... Gitelman syndrome, Hypomagnesemia ... acidosis: Chronic diarrhea ... #Algorithm #causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential Diagnosis ... Algorithm Low ... Medication • Hypomagnesemia ... #Algorithm #Causes ... #Classification
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... Gl tract loss (Diarrhea ... #Differential #Diagnosis ... #Algorithm #causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Differential Diagnosis ... by Classification ... • Severe diarrhea ... exacerbation (any cause ... obstruction to blood flow
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
- Differential Diagnosis ... Algorithm Warm ... Distributive Shock - Low ... Vomiting • Diarrhea ... #Algorithm #causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential Diagnosis ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... #Algorithm #Causes