hello, i am a 23years old, male, 177cm
and 66kg, father died of
heart attack at 45. for the last 3 months i have been having problems concentrating, feeling dizzy, feeling faint, high heart rate while at rest (90-100bpm), and sometimes jumping to 110bpm, sometimes i can feel it beat hard, some palpitations, sometimes i can feel like a ache in my chest(left side), it happenes while at rest or after a really really really long walk. during workout i feel ok (no pain, no shortness of breath).