20 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift: • Alkalosis ... losses (NG suction, diarrhea ... vomiting) • Low ... #potassium
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Congenital chloride diarrhea ... - Normal/low ... acidosis: Chronic diarrhea ... Diagnosis #Algorithm #causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Congenital chloride diarrhea ... • Normal/low ... the indicated causes ... of sodium and potassium ... Algorithm #nephrology #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Gl tract loss (Diarrhea ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes ... #potassium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Laxative use • Diarrhea ... consumption • Low ... - Metabolic Alkalosis ... diagnosis #Algorithm #differential ... #low
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - 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
Hypochloremia - Differential ... Decreased Intake: • Low ... - Metabolic alkalosis ... NGT suction - Diarrhea ... metabolic alkalosis
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... Chloride-rich diarrhea ... other • Severe potassium ... #Differential #
Hypomagnesemia - Etiologies by Mechanism

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