ventricular arrhythmia
Abnormal heart rhythm originating from ventricular tissue requiring urgent management.
Full Definition
Ventricular arrhythmia encompasses abnormal heart rhythms originating from ventricular tissue, including ventricular tachycardia, ventricular fibrillation, and ventricular ectopy. In cardiac surgery, these arrhythmias may occur due to myocardial ischemia, reperfusion, electrolyte imbalances, or mechanical irritation. Management depends on hemodynamic stability and includes antiarrhythmic medications (amiodarone, lidocaine), electrical cardioversion, or defibrillation. Prevention strategies involve maintaining electrolyte balance, adequate myocardial protection, and avoiding arrhythmogenic triggers.
Usage
Usage note: Specify ventricular versus atrial origin when discussing rhythm disturbances.
In Context
- "Patient developed ventricular arrhythmia requiring immediate defibrillation." — Emergency response documentation
- "Ventricular arrhythmia was controlled with amiodarone infusion." — Treatment response record