feel anxious regularly drink coffee tea characterize pain: feel pain intense pain pain radiate location precisely pain located fast pain consume energy drinks regularly 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
psvt guillain-barré syndrome panic attack acute dystonic reactions myasthenia gravis pulmonary embolism
PSVT