I feel a heartbeat by my stomachto the left of my bellybutton. i'm a male so i'm not pregnant. what could it be?

Abdominal Aorta: This is normal and part of your anatomy. The abdominal aorta carrying blood to your lower extremities is often very easy to palpate.

Are you thin: Thin people may feel the beat in their stomach get examined by a doctor.

Abdominal aorta?: The heartbeat you feel near the area of your belly button may be the pulse caused by the action of your abdominal aorta. A large artery that pumps blood from your heart and sends it into the left and right common iliac arteries, which start near the belly button and travel into your legs.