1458 results
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
of Tumor Lysis Syndrome ... Acid (low urinary excretion ... (High urinary excretion ... #TumorLysis #Syndrome
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Kidney Phosphate Excretion ... Shift: Refeeding Syndrome ... Tumor Genesis Syndrome ... Kidney Phosphate Excretion ... FGF23: Fanconi Syndrome
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
• Refeeding Syndrome ... Burns Increased Excretion ... Fistula Increased Excretion ... Osteomalacia • Fanconi Syndrome
Causes of Hyperuricemia
Increased production
 • Solid-organ transplant
 • Tumor lysis syndrome
 • Rhabdomyolysis
 • Lesch Nyhan
• Tumor lysis syndrome ... • Lesch Nyhan syndrome ... Decreased excretion ... and Decreased Excretion ... uric acid for excretion
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
Crigler-Najjar syndrome ... Hereditary Cholestatic Syndromes ... - Faulty excretion ... Dubin-Johnson syndrome ... , Rotor syndrome
Albuminuria (Grades) and Risk for CKD
Normal to mildly increased albuminuria:
 - Albumin excretion rate: < 30
albuminuria: - Albumin excretion ... ): - Albumin excretion ... ): - Albumin excretion ... defined as nephrotic syndrome
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
decreased urinary Ca2+ excretion ... calcium)-alkali syndrome
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Urine Fractional Excretion ... alkalosis, Hungry bone syndrome ... Tumor genesis syndrome ... FGF-23: Fanconi syndrome
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter syndrome ... , Gitelman syndrome ... result of increased excretion ... result of increased excretion ... chloride due to the excretion
Inherited Non-hemolytic Disorders of Hyperbilirubinemia 

== Disorders of Conjugation ==
Gilbert Syndrome:
 • 5-10% of the population
Conjugation == Gilbert Syndrome ... hyperbilirubinemia syndrome ... autosomal recessive syndrome ... = Disorders of Excretion ... • Defect in secretion