29 results
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
- Differential Diagnosis ... , Low PTH: Hypoparathyroidism ... • Hypophosphatemia ... contrast agents • Hypomagnesemia ... #Differential #Diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia ... - Differential Diagnosis ... Hypokalemia • Hypomagnesemia ... PO4 > 5%: • Hyperparathyroidism ... #Differential #Diagnosis
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... - Differential Diagnosis ... Absorption: • Hypoparathyroidism ... #Differential #Diagnosis ... #Framework #Workup
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Diagnostic Algorithm ... Redistribution - 1° HPT ... Zalman Agus #Hypophosphatemia ... phosphorus #low #diagnosis
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Hypophosphatemia ... - Differential Diagnosis ... Redistribution • Primary Hyperparathyroidism ... PO4 wasting #Hypophosphatemia ... #Differential #Diagnosis
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
- Differential Diagnosis ... Malnutrition with Hypomagnesemia ... (CaSR) • Hypomagnesemia ... Low PTH • Hypoparathyroidism ... #Differential #Diagnosis
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential Diagnosis ... Primary or Tertiary hyperparathyroidism ... #Differential #Diagnosis ... #Framework #Workup
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential Diagnosis ... Extravascular deposition: Hyperphosphatemia ... #Hypocalcemia #Workup ... #Differential #Diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential Diagnosis ... Vitamin D: Primary Hyperparathyroidism ... #Differential #Diagnosis ... nephrology #phosphorus #workup
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Hyperphosphatemia ... - Differential Diagnosis ... Renal Disease • Hypoparathyroidism ... • Pseudo-hypoparathyroidism ... #Differential #Diagnosis