question: im 20 even when i stand up or walk for more than 2min or walk up to the stairs my heart starts pounding and i start to feel suffocation really serious, i have done my heart test ct scan they were normal i dont know what to do please could any1 help me im ready to provide as much details as youwant im male, even at rest everyday my nerve suddenly start to pop out it happens in different location sometime near heart and agains suffocation and shortness of breath at that time i take lexotanil and inderal 10 mg for emergency.after that it get alrite a little bit after 1 hour