Hello, feeling one’s own heart beat is called palpitation.have you undergone ecg ? is it normal? Is heart rate is normal(60-100beats per minute). If every thing is normal then don’t worry. Since when you are taking hypertensive medicines ? is it undercontrol? Many things can cause palpitations, like: • Alcohol • Caffeine • Exercise • Stress • Dehydration • Medication • Fever • Thyroid disorders • Smoking • Dietary supplements like goldenseal, oleander, motherwort, or ephedra. Consult cardiologiost to rule out the cause or get back with ecg during attack.