14 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 ... Treatment of TLS
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... Renin secreting tumor ... #urine #potassium ... #differential #
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
- Differential ... Rhabdomyolysis • Tumor ... lysis syndrome ... glycosides • High ... #Differential #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... Intracellular Shift ... Transfusion reaction - Tumor ... lysis syndrome
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... ≥ 8 mg/dL • Potassium ... of the above Treatment ... #Tumor #Lysis # ... #management #oncology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... Intracellular Shift ... Transfusion reaction - Tumor ... lysis syndrome
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Lysis Syndrome ... Lysis Syndrome: ... values: Elevated K, ... hydration - Hyperkalemia ... #Lysis #Syndrome
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... ) occur in high ... malignancies Treatments ... #Lysis #Syndrome ... #TLS #oncology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... urinary losses: • High ... Renin secreting tumor ... diagnosis #Algorithm #differential ... #potassium #nephrology
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Intercellular Shift ... - Differential ... Tumor Lysis Syndrome ... Decreased Na+-K+