171 results
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
intestinal calcium absorption ... and stimulates resorption ... Stimulate calcium reabsorption ... kidney, Stimulates resorption ... Differential #Diagnosis #algorithm
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Differential Diagnosis Algorithm ... Decreased intake/absorption ... Malabsorption, Phosphate ... Differential #Diagnosis #Algorithm ... causes #nephrology #phosphate
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Differential Diagnosis Algorithm ... Increased Intake / Absorption ... Hypervitaminosis D • Phosphate ... Supplementation • Phosphate ... Differential #Diagnosis #Algorithm
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Appropriately Low Kidney Phosphate ... • Decreased GI Absorption ... Diarrhea, Antacids, Phosphate ... Differential #Diagnosis #Algorithm
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
heparin Acute Phosphate ... Exogenous: Excessive phosphate ... intake, Phosphate ... Increased Renal Phosphate ... Absorption:
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Alkaline Phosphatase ... Differential Diagnosis Algorithm ... hydrolysis of organic phosphate ... growth) Alkaline phosphatase ... Differential #Diagnosis #Algorithm
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Measurement of urine phosphate ... Differential Diagnosis Algorithm ... urine #urinary #phosphate ... Differential #Diagnosis #Algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Miscellaneous - Bone Resorption ... - Calcium Reabsorption ... Differential #Diagnosis #Algorithm
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Differential Diagnosis Algorithm ... - Low and High Phosphate ... LOW PHOSPHATE ... Deficiency HIGH PHOSPHATE ... Differential #Diagnosis #Algorithm
Characteristics of Commonly Used Phosphate Binders 
Aluminum 
 - Potent and effective 
 - Useful for
Commonly Used Phosphate ... - No systemic absorption ... - Significant absorption ... significant systemic absorption ... amzn.to/34t5DgJ #Phosphate