Accelerated idioventricular rhythm is a medical condition that is characterized by a faster-than-normal heartbeat. This condition can occur due to a variety of reasons, including heart disease or trauma. While the term "accelerated idioventricular rhythm" is the most commonly used name for this condition, there are other words and phrases that can be used to describe it. Some of the synonyms for accelerated idioventricular rhythm include ventricular tachycardia, ventricular fibrillation, and ventricular arrhythmia. These terms are often used interchangeably with accelerated idioventricular rhythm by medical professionals, and they all refer to abnormal heart rhythms that can be life-threatening if left untreated.