19 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 ... • Hyperkalemia
Tumor lysis syndrome refers to the constellation of metabolic disturbances that occurs when large numbers of
Tumor lysis syndrome ... hyperuricemia, #hyperkalemia ... hyperphosphatemia, #hypocalcemia ... acutekidneyinjury #Pathophysiology ... Presentation #TLS #Workup
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
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... - Refeeding Syndrome ... Algorithm #causes #potassium ... #low #pathophysiology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Lysis Syndrome ... Lysis Syndrome: ... : Lysis of tumor ... hydration - Hyperkalemia ... #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 - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... Intracellular Shift ... release due to cell lysis ... Transfusion reaction - Tumor ... lysis syndrome
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... Rhabdomyolysis, Tumor ... lysis syndrome, ... Transcellular Shift ... Diagnosis #Framework #Workup
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... Intracellular Shift ... release due to cell lysis ... Transfusion reaction - Tumor ... lysis syndrome