11 results
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS
Laboratory TLS:
 • Uric
Classification of Tumor Lysis ... Syndrome (TLS) ... 8.0 mg/dL • Potassium ... Treatment of TLS ... #management #oncology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... (TLS) Tumor Cell ... Lysis -> Release ... #TLS #Pathophysiology
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 ... of Clinical TLS ... #management #oncology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
: • Pathophysiology ... immature blasts and high ... Syndrome: • Pathophysiology ... hydration - Hyperkalemia ... #Syndrome #TLS
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 ... #Syndrome #TLS ... #oncology #management
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... Intracellular Shift ... syndrome - Rhabdomyolysis ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... Intracellular Shift ... syndrome - Rhabdomyolysis ... #high #nephrology
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
HIV, Influenza, TSS ... Dermatomyositis) AKI - Pathophysiology ... Shift of extracellular ... Monitor potassium ... Dialysis for severe hyperkalemia
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Compartment syndrome ... HIV, Influenza, TSS ... or compartment syndrome ... Shift of extracellular ... Monitor potassium
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Summary of Oncologic ... antibiotics TLS ... (tumor-lysis syndrome ... low Ca - q8 h TLS ... → no immediate treatment