3662 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... Gl tract loss (Diarrhea ... Ureterosigmoidoscopy • HTN, Low ... Diagnosis #Algorithm #causes ... #potassium #low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Decreased intake (rare cause ... <20mmol/d • Diarrhea ... artery stenosis Low ... Hyperaldosteronism Low
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... Diagnosis #Algorithm #Causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Urine Mg < 10g • Diarrhea ... Hypomagnesemia #Magnesium #Low ... #Causes #Differential
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Distributive Shock - Low ... Vomiting • Diarrhea ... Diagnosis #Algorithm #causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Differential #Diagnosis #Low ... Classification #Causes
IBD - Assessment of Lack of Response (sLOR) - Differential Diagnosis
Non-inflammatory mechanisms:
 • IBS
 • Fibrostenotic
Other (bile salt diarrhea ... burden - Low ... Differential #Diagnosis #Causes
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... pancreas), Genetic causes ... result-watery diarrhoea ... mellitus, Bile acid diarrhoea ... fecal #elastase #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... Laxative use • Diarrhea ... consumption • Low ... potassium #nephrology #low
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Congenital chloride diarrhea ... - Normal/low ... acidosis: Chronic diarrhea ... Diagnosis #Algorithm #causes