characterize pain: feel pain intense pain pain radiate location precisely pain located fast pain consume energy drinks regularly feel slightly dizzy lightheaded feel lightheaded dizzy feel like faint feel heart beating fast racing irregularly missing beat feel palpitations traveled country last 4 weeks recently taken decongestants substances may stimulant effects
psvt atrial fibrillation anemia anaphylaxis scombroid food poisoning panic attack
PSVT