Dear melair, In my practice any patient who has any past history of heart issues will be have a cardiology appointment and after testing is performed the cardiologist will either clear the patient for surgery or not. Rhinoplasty surgery in itself has no additional risk to a patient with a heart...
I'm assuming you mean a cosmetic rhinoplasty (vs functional one)? Even though plastic surgery is becoming more and more accepted around the world, I recommend you think long and hard about why you are doing the surgery. If you truly want to change your nose for valid personal reasons...