The most common type of cardiac arrhythmia is atrial fibrillation. Less common are cardiac problems including cardiomyopathy and cardiac arrhythmia disorders. He had a history of arrhythmia and persistent atrial fibrillation. This abnormal cellular depolarization can lead to a cardiac arrhythmia. Paralysis increases, and convulsions, mental impairment, and cardiac arrhythmia may occur. Difluoroethane is an intoxicant and precipitates fatal cardiac arrhythmia. Cardiac electrophysiology can be used to observe and treat disorders such as arrhythmia (irregular heartbeat). An ICD is a device designed to prevent cardiac arrhythmia in heart patients. Fexofenadine is associated with a lower risk of cardiac arrhythmia compared to terfenadine. Amiodarone can worsen the cardiac arrhythmia brought on by digitalis toxicity. In 1964 doctors diagnosed him with cardiac arrhythmia. This is might manifest as ventricular arrhythmia. It is not recommended in those with an arrhythmia, significant hypertension, or left ventricular hypertrophy. Sodium channel blockers are used in the treatment of cardiac arrhythmia. This drug may also kill via cardiac arrhythmia.