30 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Erythropoiesis (B12 injections ... losses (NG suction, diarrhea ... vomiting) • Low ... Diagnosis #Algorithm #nephrology
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Urine Mg < 10g • Diarrhea ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
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 ... #nephrology
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
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... #Diagnosis #Low ... Potassium #Table #Classification ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... Laxative use • Diarrhea ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
IBD - Assessment of Lack of Response (sLOR) - Differential Diagnosis
Non-inflammatory mechanisms:
 • IBS
 • Fibrostenotic
Response (sLOR) - Differential ... Other (bile salt diarrhea ... Non-IBD related: • Infection ... burden - Low ... #Diagnosis #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... <20mmol/d • Diarrhea ... Gittelman's syndrome • Magnesium ... #Hypokalemia #Nephrology ... #Differential #