19 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Acute Respiratory Alkalosis ... • Small bowel diarrhea ... : • Aluminum/Magnesium ... Steatorrhea • Chronic Diarrhea ... endocrinology #causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Catecholamines - Alkalosis ... #Low #Potassium ... #Table #Classification ... #Causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential Diagnosis ... Congenital chloride diarrhea ... - Normal/low ... acidosis: Chronic diarrhea ... #Algorithm #causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... Laxative use • Diarrhea ... consumption • Low ... - Metabolic Alkalosis ... #Hypokalemia #diagnosis
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
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Congenital chloride diarrhea ... • Normal/low ... acidosis due to diarrhea ... the indicated causes ... #differential #diagnosis
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential Diagnosis ... Urine Mg < 10g • Diarrhea ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Differential Diagnosis ... by Classification ... • Severe diarrhea ... exacerbation (any cause ... obstruction to blood flow
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... Decreased Intake: • Low ... - Metabolic alkalosis ... NGT suction - Diarrhea ... metabolic alkalosis
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... - Differential Diagnosis ... <20mmol/d • Diarrhea ... Gittelman's syndrome • Magnesium ... #Differential #Diagnosis