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Basic Science
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Rhabdomyolysis

Metabolic Complications

A 35-year-old man is brought to the emergency department after being trapped under debris for 6 hours following a building collapse. He is conscious but complains of severe bilateral thigh pain and numbness. His urine appears dark brown. Initial investigations show serum creatine kinase (CK) of 45,000 U/L (normal less than 200), potassium 6.2 mmol/L, creatinine 180 μmol/L, and myoglobin positive on urinalysis. Regarding the pathophysiology and diagnosis of rhabdomyolysis:

Mark each as TRUE or FALSE

A

Rhabdomyolysis results from skeletal muscle cell injury with release of intracellular contents inclu...

B

Causes of rhabdomyolysis include crush injury and compartment syndrome, prolonged immobilization, is...

C

Serum myoglobin is the most sensitive marker for rhabdomyolysis due to its prolonged half-life; crea...

D

Creatine kinase (CK) is the most sensitive and reliable marker for rhabdomyolysis; levels greater th...

E

Metabolic derangements in rhabdomyolysis include hyperkalemia (life-threatening arrhythmia risk), hy...

Answer the questions to see explanations

Click T (True) or F (False) for each option