regularly drink coffee tea characterize pain: feel pain intense pain pain radiate location precisely pain located fast pain consume energy drinks regularly regularly take stimulant drugs experiencing shortness breath difficulty breathing significant way feel heart beating fast racing irregularly missing beat feel palpitations traveled country last 4 weeks recently taken decongestants substances may stimulant effects
guillain-barré syndrome acute dystonic reactions myasthenia gravis myocarditis psvt sle
PSVT