16 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... - Anorexia GI ... Renal tubular acidosis ... #Differential # ... Potassium #Table #Classification
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
- Differential ... • Metabolic acidosis ... Elimination: • AKI ... blockers - MCW Nephrology ... #Differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... time (urinary or GI ... #Differential # ... Algorithm #Causes #workup ... #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... #Differential # ... Diagnosis #Causes #Workup ... #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... • Bleeding • GI ... • Reduced GFR, AKI
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... - Differential ... Shift: • Lactic acidosis ... Kidney Disease: • AKI ... #phosphate #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... • Bleeding • GI ... • Reduced GFR, AKI
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... Hypercalcemia - Hypokalemia ... Hypomagnesemia #Differential ... Magnesium #Table #Classification ... #Causes #Workup
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
(NAGMA) - Differential ... Framework and Workup ... hyperchloremia - GI ... GI Loss of HCO3 ... #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Prerenal:
 • Due to true volume loss or decreased
Kidney Injury (AKI ... ) - Differential ... blood volume • Hypovolemia ... : Dehydration, GI ... Diagnosis #nephrology