I AM 73 YEARS OLD AND MY RESTING HEART GOES AS LOW AS 35 AND HAS GONE AS LOW AS 31 BPM. MY CARDIOLOGIST SEEMS TO THINK THIS IS OK. HOWEVER, i HAVE IRRIGULAR HEART BEAT ALL DAY. HOWSLOW DOES YOUR HEART BEAT HAVE TO GO BEFORE IT IS DANGEROUS. I DONT FEEL WELL AND I AM DIZZY SOMETIMES ALL DAY. DO I NEED A SECOND OPPINION