58 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Diuretics ... tubular acidosis (Types ... and 2, but not type ... Differential #Diagnosis #Low ... Potassium #Table #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Loop and thiazide diuretics ... Differential #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... • Euvolemic (Low ... • Hypovolemic: Diuretics ... #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Normal Acid-Base: Low ... Loop and thiazide diuretics ... Differential #Diagnosis #Algorithm ... #low #nephrology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... Hypomagnesemia • Osmotic diuresis ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Differential Diagnosis Algorithm ... tubular transport • Diuretics ... aldosteronism Low ... Renin, Low Aldosterone ... Differential #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... Cl intake, Diuretics ... High Urine Cl-: Diuretics ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... vomiting) • Low ... • Discontinued diuretic ... Differential #Diagnosis #Algorithm ... #nephrology #low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Differential Diagnosis Algorithm ... > 10g • Loop Diuretics ... syndrome • Thiazide Diuretics ... Hypomagnesemia #Magnesium #Low ... #Diagnosis #Algorithm
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... • High CO / Low ... Blood Loss, GI Losses ... Sophia_Hayes_MD #Shock #Classification ... Differential #Diagnosis #Types