Dua 57 Recite This Dua for Heart Ailments
Place your hand over your chest (where the heart is), recite Salawat three times before and after, then recite this dua. Allah will protect you from heart diseases, and if you are already ill, He will cure you, Insha'Allah.

يَا حَيُّ يَا قَيُّومُ يَا لَا إِلَهَ إِلَّا أَنْتَ اَسْتَلُكَ اَنْ تُحْيِيَ قَلْبِي اللَّهُمَّ صَلِّ عَلَى مُحَمَّدٍ وَ الِ مُحَمَّدِه

Ya Hayyu Ya Qayyum, Ya la ilaha illa Anta, As’aluka an tuhyiya qalbi. Allahumma salli ‘ala Muhammadin wa Ali Muhammad.

O Ever-Living, O Self-Sustaining, O You besides Whom there is no god, I ask You to revive my heart. O Allah, send blessings upon Muhammad and the family of Muhammad.