feel anxious regularly drink coffee tea pain reason consulting characterize pain: feel pain intense pain pain radiate location precisely pain located fast pain regularly take stimulant drugs experiencing shortness breath difficulty breathing significant way 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 panic attack anemia pulmonary embolism acute pulmonary edema guillain-barré syndrome acute dystonic reactions myasthenia gravis pulmonary neoplasm
PSVT