Severe pain above belly button when pressing on can feel strong pulse, had abdominal ultrasound 2 yrs ago, gas maybe, ulcur ?

Belly button pain: First question is what is your body type? If you are thin, the abdominal aorta can be easily felt and is pulsatile, but should not necessarily cause pain. Have you had abdominal surgeries in the past such as your gallbladder removed? This is generally done through small incisions, one being near your belly button. As to the other causes of pain, it could be muscle wall pain, unlikely ulcer, etc.