Heart has hurt all weekend. Get lightheaded some. Today just a dull ache. Is it heartburn? Very scary have had the procedure where they put a camera thru my viens and no blockages as of last year. Have been told that it's heartburn. I get lightheaded, hav

Reflux . You will need twice a day Prilosec one hour before breakfast and supper. You will need zantac (ranitidine) 30 mins before bed. You need a low acid diet an to follow the last acid book called dropping acid good luck.
Your . Your symptoms are very concerning, especially with your past medical history. You must seek an immediate medical evaluation. Please call your cardiologist immediately for an appointment. If you have ongoing pain, feel lightheaded, or have new symptoms then you must be seen as an emergency.