You don't have that in people who have a normal heart, who don't have any myocardial infarction, who don't have any Wolff-Parkinson-White syndrome, or other type of heart disease.
Les personnes qui ont un coeur normal et qui n'ont pas d'infarctus de myocarde ni de syndrome de Wolff-Parkinson-White ou d'autres types de maladies cardiaques n'ont pas ce problème.