Hi, I'm So Desperate. I Can't O To The Doctor

Hi, I'm so desperate. I can't o to the doctor now cos its down here. can anyone help me ?
So, I was masturbating and felt a fast twinge pain in the center on my chest.
my heart was beating fast and was in panic. I have a headache while masturbation. I'm burping alot. also, when i stand up i feel a weird sensation in my stomach and the headache .