20 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 ... #TLS #diagnosis
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Transcellular Shift ... • Refeeding syndrome ... K intake (anorexia ... #potassium
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 ... #urine #potassium ... differential #algorithm #diagnosis
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
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Intracellular Shift ... due to cell lysis ... syndrome - Rhabdomyolysis
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 ... Syndrome #diagnosis ... #management #oncology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Intracellular Shift ... due to cell lysis ... syndrome - Rhabdomyolysis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
values: Elevated K, ... , Elevated Cr, Low ... hydration - Hyperkalemia ... #Syndrome #TLS ... #diagnosis #management
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... urinary losses: • High ... consumption • Low ... #diagnosis #Algorithm ... #nephrology #low
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