7 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Malabsorption, Chronic diarrhea ... Transcellular Shift ... FEPO4 ≥ 5% - Renal ... #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Rhabdomyolysis, Tumor lysis syndrome ... Transcellular Shift ... acidosis, DKA Kidney Disease ... CKD Increased Renal ... #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Absorption: Chronic Diarrhea ... Transcellular Shift ... Inappropriately High ... #nephrology #phosphorus ... #workup
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Differential Diagnosis Framework ... Intracellular Shift ... - Tumor lysis syndrome ... • Addison’s disease ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... <20mmol/d • Diarrhea ... Transcellular shift ... • Renal artery ... #Hypokalemia #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Differential Diagnosis Framework ... Intracellular Shift ... - Tumor lysis syndrome ... • Addison’s disease ... #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Differential Diagnosis Framework ... and Management ... Shift of extracellular ... of underlying disease ... causes #treatment #nephrology