Last updated: 05/28/2019
Rhabdomyolysis is a syndrome involving widespread muscle breakdown and necrosis following muscle injury with subsequent release of K+, CPK, myoglobin and other intramuscular components resulting in several complications including:
- Electrolyte abnormalities
- Hyperkalemia àrisk of cardiac arrhythmia and arrest
- Hypocalcemia à risk of conduction abnormalities and neurological complications (i.e. Seizures)
- Hyperuricemiaàanion gap metabolic acidosis, gout and renal caculi
- DIC à secondary to release of thromboplastin and other prothrombotic components from damaged muscle
- Compartment Syndromeà especially after aggressive fluid resuscitation resulting in a fluid shift to the closed compartment of the initial muscle insult.
- AKIà especially in the setting of hypovolemia, sepsis, acidosis, renal ischemia and myoglobin accumulation in renal tubules.
- Hypovolemiaà secondary to third spacing following extracellular fluid influx into compartments containing damaged muscle
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