my wife has a history of heart problems. she is 65 and overweight. she got dizzy coming up the stairs and said her heart was racing /pulse rate was fast. I used a digital monitor and got the following rates; sys 119,123,126;DIA 54,73,68; PULSE 126,124,120. SHE HAS HAD 4 STENTS INTHE PAST THE LAST ONE AT LEAST 2 YEARS AGO. SHE IS RESTING COMFORTABLY NOW.