7 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Redistribution - 1° HPT ... , TIO, Fanconi Syndrome ... #phosphorus #low ... #differential #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Vitamin D: Primary Hyperparathyroidism ... , CAR-T cell #Hypophosphatemia ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... absorption (Antacids, Phosphorus ... Tumor genesis syndrome ... Primary or Tertiary hyperparathyroidism ... Workup #phosphate #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... Rule out spurious hyperphosphatemia ... Rhabdomyolysis, Tumor lysis syndrome ... Absorption: • Hypoparathyroidism ... Workup #phosphate #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
metastasis (hungry bone syndrome ... Potassium depletion, Phosphorus ... depletion, Familial hypophosphatemia ... Hyperthyroidism, Hyperparathyroidism ... differential #diagnosis #nephrology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
metastasis (hungry bone syndrome ... depletion - Phosphorus ... depletion - Familial hypophosphatemia ... disorders: - Syndrome ... Hyperthyroidism - Hyperparathyroidism
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Magnesium - Functional Hypoparathyroidism ... Phosphate, Low PTH - Hypoparathyroidism ... Extravascular deposition: Hyperphosphatemia ... metastases, Hungry bone syndrome ... Diagnosis #Algorithm #nephrology