exercise-induced rhabdomyolysis
Breakdown of skeletal muscle tissue during intense exercise, potentially causing cardiac complications through electrolyte imbalances and kidney dysfunction.
Full Definition
A condition where strenuous exercise causes breakdown of skeletal muscle cells, releasing muscle proteins like creatine kinase and myoglobin into the bloodstream. In sports cardiology, this is significant because it can lead to dangerous electrolyte imbalances (particularly hyperkalemia), acute kidney injury, and secondary cardiac arrhythmias. Athletes with genetic predispositions or those training in extreme conditions are at higher risk. Proper recognition is crucial as symptoms may overlap with exercise-induced cardiac events.
Usage
Usage note: Often abbreviated as EIR in clinical notes; distinguish from cardiac rhabdomyolysis.
In Context
- "The marathon runner developed exercise-induced rhabdomyolysis after competing in extreme heat." — Case report
- "Elevated CK levels prompted investigation for exercise-induced rhabdomyolysis versus cardiac injury." — Clinical assessment