7 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Diagnostic Algorithm ... #phosphorus #low ... #differential # ... nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Diagnosis Algorithm ... Appropriately Low ... #nephrology #phosphorus
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... absorption (Antacids, Phosphorus ... • Normal or Low ... - Normal or Low ... #Differential #
Causes of Hyperphosphatemia - Differential Diagnosis Algorithm
Serum phosphate level >4.5 mg/dL
 • Spurious hyperphosphatemia
 • True
- Differential ... Diagnosis Algorithm ... preparation, High phosphorus ... #Causes #Differential ... #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... Diagnosis Algorithm ... Extravascular deposition: Hyperphosphatemia ... #Diagnosis #Algorithm ... #nephrology #calcium
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Potassium depletion, Phosphorus ... depletion, Familial hypophosphatemia ... Hypomagnesemia #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... Decreased Intake: • Low ... - Gitelman SIGNS ... Cl⁻ with other components