11 results
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Kidney Phosphate Excretion ... Transcellular Shift ... Kidney Phosphate Excretion ... Diagnosis #Algorithm #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Urine Fractional Excretion ... Transcellular Shift ... Tumor genesis syndrome ... Workup #phosphate #nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Cushing's syndrome ... #Classification ... Diagnosis #Comparison #Table ... #Nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Hyperkalemia • Hyperphosphatemia ... Hyperuricemia • Hyponatremia ... Shift of extracellular ... Monitor potassium ... causes #treatment #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
metastasis (hungry bone syndrome ... osmotic diuresis, Potassium ... depletion, Familial hypophosphatemia ... antidiuretic hormone secretion ... differential #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... Intracellular Shift ... - Tumor lysis syndrome ... Impaired Renal Excretion ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... Intracellular Shift ... - Tumor lysis syndrome ... Impaired Renal Excretion ... #high #nephrology
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
iniury, Compartment syndrome ... myopathies, Excess exertion ... Shift of extracellular ... Monitor potassium ... per day until stable
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal Excretion ... • Hyponatremia ... and euvolemic hyponatremia ... #Diuresis #Nephrology ... #Medications #Table
Rhabdomyolysis - Differential Diagnosis Framework
Rhabdomyolysis = Destruction of skeletal muscle with leakage of contents into circulation.
Crush injuries • Exertion ... Neuroleptic malignant syndrome ... : Hypokalemia, Hypophosphatemia ... Diagnosis #Causes #nephrology ... #table