17 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... Excessive GI losses ... #Differential #Diagnosis ... Magnesium #Table #Classification ... #Causes #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... - Anorexia GI ... - Polyuria - Hypomagnesemia ... #Differential #Diagnosis ... Potassium #Table #Classification
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential Diagnosis ... time (urinary or GI ... #Differential #Diagnosis ... Algorithm #Causes #workup ... #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
- Differential Diagnosis ... Algorithm GI Losses ... • NG suction GI ... loop/thiazide) • Hypomagnesemia ... MetabolicAlkalosis #NonGap #Nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential Diagnosis ... FEPO4 < 5%: • GI ... #Framework #Workup ... #phosphate #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome Pathophysiology ... Hypermagnesuria, Hypomagnesemia ... Gitelman #Syndrome #Pathophysiology ... #nephrology #diagnosis
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... Framework and Workup ... hyperchloremia - GI ... GI Loss of HCO3 ... #Workup #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... Hypovolemic (H2O loss): GI ... #Workup #Algorithm ... #nephrology #sodium
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... : • Decreased GI ... #Differential #Diagnosis ... #Algorithm #nephrology ... #phosphorus #workup
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... Vomiting, Diarrhea, GI ... Hypernatremia #Classification ... #Features #Diagnosis ... Comparison #Table #Nephrology