15 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 of ... hydroxide • Hyperkalemia ... #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 ... Hypocalcemia • Hyperkalemia ... #TLS #Pathophysiology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
organ damage • Treatment ... leukapheresis - TLS ... hydration - Hyperkalemia ... treatment (no calcium ... #Syndrome #TLS
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... malignancies Treatments ... 6L/day) • For hyperkalemia ... wandering_er #Tumor #Lysis ... #Syndrome #TLS
Tumor lysis syndrome refers to the constellation of metabolic disturbances that occurs when large numbers of
Tumor lysis syndrome ... hyperuricemia, #hyperkalemia ... #Presentation #TLS
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... of the above Treatment ... of Clinical TLS ... MatthewHoMD #TLS ... Syndrome #diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Intracellular Shift ... release due to cell lysis ... reaction - Tumor lysis ... syndrome - Rhabdomyolysis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Intracellular Shift ... release due to cell lysis ... reaction - Tumor lysis ... syndrome - Rhabdomyolysis
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Intercellular Shift ... Transcellular Shift ... Tumor Lysis Syndrome ... • Digoxin #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 ... Treatment of underlying