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47 - Rhabdomyolysis

from Section 7 - Renal emergencies

Published online by Cambridge University Press:  05 November 2013

Kaushal Shah
Affiliation:
Department of Emergency Medicine, Mount Sinai School of Medicine, New York
Jarone Lee
Affiliation:
Department of Emergency Medicine, Massachusetts General Hospital, Boston
Kamal Medlej
Affiliation:
American University of Beirut
Scott D. Weingart
Affiliation:
Department of Emergency Medicine, Mount Sinai School of Medicine, New York
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Summary

This chapter discusses the diagnosis, evaluation and management of rhabdomyolysis. Physical examination of a patient with rhabdomyolysis may reveal muscle swelling and tenderness, with occasional skin changes including discoloration, induration, and blistering. It is possible for rhabdomyolysis to present without any of these signs or symptoms, making serum markers essential to the diagnosis. Severe cases may present with hypovolemic shock, acute kidney injury (AKI), metabolic acidosis, disseminated intravascular coagulation (DIC), compartment syndrome, hyperkalemia, and cardiac arrhythmias. Compartment syndrome occurs due to swelling and edema of the injured muscle: classic physical examination findings include pain, paresthesias, paralysis, pallor, and pulselessness. The cornerstone of management includes discontinuation of inciting factors and aggressive management of fluid and electrolyte abnormalities. Intravenous fluids enhance renal perfusion and increase urinary flow in order to prevent AKI and increase potassium excretion.
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Publisher: Cambridge University Press
Print publication year: 2013

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