28 results
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... Rule out spurious hyperphosphatemia ... Transcellular Shift ... Diagnosis #Framework #Workup ... #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia ... Malabsorption, Phosphate ... Redistribution/ Shift ... #causes #nephrology ... #phosphate
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Differential Diagnosis Algorithm ... Transcellular Shift ... #nephrology #phosphorus ... #workup
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Differential Diagnosis Algorithm ... Transcellular Shift ... Hypervitaminosis D • Phosphate ... Supplementation • Phosphate ... endocrinology #causes
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... Differential Diagnosis Algorithm ... surgery, acute phosphate ... poisoning • Hyperphosphatemia ... #Causes #algorithm
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Fractional Excretion of Phosphate ... Transcellular Shift ... Diagnosis #Framework #Workup ... #phosphate #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Differential Diagnosis Algorithm ... Extravascular deposition: Hyperphosphatemia ... #Hypocalcemia #Workup ... #nephrology #calcium
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia ... Differential Diagnosis Algorithm ... Transcellular Shift ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
Hypophosphatemia ... 2,3-DPG which shifts ... Hypophosphatemia ... is a cause of refractory ... -DPG causing a shift
Causes of Hyperphosphatemia - Differential Diagnosis Algorithm
Serum phosphate level >4.5 mg/dL
 • Spurious hyperphosphatemia
 • True
Causes of Hyperphosphatemia ... Serum phosphate ... Excess intake: Phosphate ... #Causes #Differential ... #nephrology