Seizures can disrupt the autonomic nervous system, potentially leading to cardiac arrhythmias, which are abnormal heart rhythms. Cardiac arrhythmias can cause convulsive syncope, a condition ...

An arrhythmia is an atypical heartbeat that is either much faster or slower than expected. Your heartbeat may be described as chaotic, rather than steady and predictable. There are several types of ...

An arrhythmia (also termed cardiac dysrhythmia) is described as an irregular heartbeat caused by aberrant electrical activity in the heart. There are multiple categories of arrhythmia, each of which ...

If you have bigeminy (bi-JEM-uh-nee), your heart doesn't beat in a normal pattern. After every routine beat, you have a beat that comes too early, or what's known as a premature ventricular ...

In adults, a typical resting heart rate is 60 to 100 beats per minute, but structural or electrical disorders of the heart can cause it to rise or fall. Medications, a lack of sleep, and stress may ...

THE time-honored drug armamentarium for cardiac arrhythmias of digitalis, quinidine and procainamide has proved successful in most clinical circumstances. Toxicity to each of these agents, however, ...