I keep feel desy and fast heart beats but when...

normal heart rate or normal sinus rhythm in the healthy adult is

range between 60-100 regular beat per minutes

when this is not normal sinus rhythm

1. if the number of heart beat is below 60 or over 100
2. if the rhythm irregular

what causes abnormal heart beat or arrhythmia

1. side effect of drugs
2. previous myocardial infarction (that is cut of blood supply to heart cells
3. heart failure
4. heart valve disease

what is the treatment

1. treat the primary cause
2. do conservative method as valsalva maneuver or carotid massage which should be carried on by a doctor under the monitor
3. antirhythmic drugs as betablockers like atenolol , calcium channel blockers as verapamil
4. surgery to eradicate the evil foci

what are the method to diagnose the cause

1. clinical examination
2. ECG
3. Chest X ray
4. echocardiography