An irregular heartbeat accompanies you when you really feel tightness in the upper body, which feeling is stressing, so read the dhikr and never end accomplishing the lawful ruqyah if you experience it and truly feel amazingly unpleasant. ءَامَنَ ٱلرَّسُولُ بِمَآ أُنزِلَ إِلَيْهِ مِن رَّبِّهِۦ وَٱلْمُؤْمِنُونَ ۚ كُلٌّ ءَامَنَ https://youtu.be/kBxTPwL9ZfU