7 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Diagnostic Algorithm ... #phosphorus #low ... #diagnosis #Algorithm ... #differential #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
absorption (Antacids, Phosphorus ... Transcellular Shift ... • Normal or Low ... Inh., Osmotic diuresis ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Differential Diagnosis Algorithm ... Appropriately Low ... Transcellular Shift ... #nephrology #phosphorus
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... Transcellular Shift ... vomiting) • Low ... • Discontinued diuretic ... #nephrology #low
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Potassium depletion, Phosphorus ... depletion, Familial hypophosphatemia ... • Drugs: Loop diuretics ... differential #diagnosis #nephrology ... #magnesium #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... creatinine) • Cell shift ... , Thiazide diuretics ... #differential #algorithm ... #diagnosis #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... Transcellular shift ... contracted • Loop diuretics ... syndrome • Thiazide diuretics ... #Hypokalemia #Nephrology