For people like this, the conduction mechanisms of the heart become highly exaggerated. There's chronic adrenaline overstimulation. When people are under a lot of stress, there is a breakthrough of autonomic conduction of the heart, a loss of rhythm. The Serious Side of Arrhythmia Listen, we don't mean to alarm you unnecessarily. Only a doctor can distinguish between paroxysmal atrial tachycardia and more serious forms of heart arrhythmia, says Arthur Selzer, M.D., a clinical professor of medicine at the University of California Medical School.
Ventricular tachycardia is an example of a more serious kind.
That's what you have when one ventricle starts beating rapidly with a slightly irregular rhythm. The amount of blood your heart returns to the arteries may drop markedly. That's why we can't stress enough the importance of attending to any abnormal heart rhythms immediately. The right response to an attack depends on what the malfunction is. Get your fair share of magnesium .