20 results
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... (TLS) Tumor Cell ... • Hyperkalemia ... #TLS #Pathophysiology
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS
Laboratory TLS:
 • Uric
of Tumor Lysis Syndrome ... (TLS) and Treatment ... Calcium ≤ 7.0 mg/dL Clinical ... Treatment of TLS ... hydroxide • Hyperkalemia
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
S - Shock H - Hyperkalemia ... Typical ECG ... other findings of hyperkalemia ... of hyperkalemia ... diagnosis #management #pathophysiology
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
Management of Hyperkalemia ... guided by clinical ... scenario, ECG and ... Gluconate IV Shift ... recurrence #Hyperkalemia
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... 6L/day) • For hyperkalemia ... with Ca only if EKG ... otherwise treat with "hyperkalemia ... #TLS #oncology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... immature blasts and high ... hydration - Hyperkalemia ... unless worrisome EKG ... #TLS #diagnosis
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... blocks, QRS axis shift ... , asystole #hyperkalemia ... #potassium #high
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
HIV, Influenza, TSS ... Dermatomyositis Clinical ... • LDH ↑ • Hyperkalemia ... Shift of extracellular ... Dialysis for severe hyperkalemia
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
iniury, Compartment syndrome ... HIV, Influenza, TSS ... Dermatomyositis) AKI - Pathophysiology ... Shift of extracellular ... Dialysis for severe hyperkalemia
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Hirsutism • High ... Other Source (e.g ... Polycystic Ovarian Syndrome ... Plasma E2 + Clinical ... Hypertension +/- Hypokalemia