An irregular heartbeat accompanies you when you are feeling tightness in your chest, and this experience is worrying, so go through the dhikr and never ever halt accomplishing the lawful ruqyah for those who come upon it and experience very uncomfortable. ءَامَنَ ٱلرَّسُولُ بِمَآ أُنزِلَ إِلَيْهِ مِن رَّبِّهِۦ وَٱلْمُؤْمِنُونَ https://youtu.be/CphNDQ_OZyw