I m 37 quite healthy and a bed manager of a hospital. (Non smoker cholesterol normal) no family history other than grandparent of mi I was complaining of sudden onset chest pain yesterday which lasted approx 2-5 minutes intermittently for 2 hours. Not brought on by exertion . I had neck pain and my left arm felt heavy but fingers numb. Did an ECG which showed inverted t waves. Bp 168/89 hr 82 spo2 98%. I was given aspirin 300 mg and bloods sent. Trop I came back ok. I was discharged with gtn and aspirin 75 mg. No shortness of breath No cough No medical history other than childbirth. Overnight I ve had intermittent brief episodes of chest pain and numbness to arm continues. What could be the cause of this ?