### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
Hi my names erica, every night now for the past couple of days when going to sleep my heart will start beating really fast, like I m having a heart attack or something..witch I don t really know what a heart attack feels like but my heart feels like its about to jump out my chest... I ll jump up really fast and it goes away!! Im scared

### output:

Hello Erica, and thank you for using Chat Doctor. I carefully read your question and I understand your concern.Don't worry, this is nothing serious, and you are not having a heart attach. As you describe, my opinion is that we are dealing with a rhythm issue. Someone might feel fast and jumping heart beats for different reasons. It might be a sinus tachycardia, a supra ventricular tachycardia or what we call paroxysmal atrial fibrillation. This all is rhythm disturbances, electrical impulses generating from the heart which beats over 100 beats for minute, they might come and go. The heart might have its normal sinus rhythm or loos it and work in a chaotic way. All this rhythm issues gives you the sensation that your heart jumps and runs fast. You are not having a heart attack. A heart attach is manifested with a very heard chest pain and different complications. Yours are just rhythm problems. If I was your treating doctor I will recommend you to do some simple exams like a blood sample to look for anemia, hyperthyroidism. An electrocardiogram, echocardiography and a holder monitoring to see the rhythm tendency. After these we will have a better view. Don't worry because it might be just stress or if it is a rhythm disorder you can treat it with medications. Hope I was helpful. BEST REGARDS.