26 results
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS
Laboratory TLS:
 • Uric
Classification of Tumor ... Lysis Syndrome ... (TLS) and Treatment ... 8.0 mg/dL • Potassium ... #TumorLysis #Syndrome
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology of Tumor ... Lysis Syndrome ... (TLS) Tumor Cell ... Lysis -> Release ... -> Allantoin (High
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... Initial workup ... ≥ 8 mg/dL • Potassium ... of the above Treatment ... #Lysis #Syndrome
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... Renin secreting tumor ... #urine #potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... transfusion • Tumor ... lysis/hemolysis ... Normal, Renin High ... hypoplasia Aldosterone high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Intracellular Shift ... Transfusion reaction - Tumor ... lysis syndrome ... #high #nephrology
Tumor lysis syndrome refers to the constellation of metabolic disturbances that occurs when large numbers of
Tumor lysis syndrome ... hyperuricemia, #hyperkalemia ... hyperphosphatemia, #hypocalcemia ... Presentation #TLS #Workup
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Intracellular Shift ... Transfusion reaction - Tumor ... lysis syndrome ... #high #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Rhabdomyolysis • Tumor ... lysis syndrome ... glycosides • High ... MCW_Nephrology #HyperKalemia
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Lysis Syndrome ... immature blasts and high ... Lysis Syndrome: ... hydration - Hyperkalemia ... #Lysis #Syndrome