286 results
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Decreased intake/absorption ... Malabsorption, Phosphate ... Diagnosis #Algorithm #causes ... #nephrology #phosphate
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Increased Intake / Absorption ... Hypervitaminosis D • Phosphate ... Supplementation • Phosphate ... endocrinology #causes
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 ... hydrolysis of organic phosphate ... growth) Alkaline phosphatase ... Intestine - Other causes ... #Alkaline #Phosphatase
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... increased bone Ca2+ resorption ... increased GI Ca2+ absorption ... Hypercalcemia #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Miscellaneous - Bone Resorption ... - Calcium Reabsorption ... Diagnosis #Algorithm #causes
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low Kidney Phosphate ... • Decreased GI Absorption ... Diarrhea, Antacids, Phosphate ... Inappropriately High Kidney Phosphate
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Low Alkaline Phosphatase ... Is Low Alkaline Phosphatase ... Most cases diagnosed ... • Pyridoxal 5' phosphate ... : • Other causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Fractional Excretion of Phosphate ... diarrhea, Poor absorption ... Framework #Workup #phosphate
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