feel anxious regularly drink coffee tea pain reason consulting characterize pain: characterize pain: 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 slightly dizzy lightheaded feel heart beating fast racing irregularly missing beat feel palpitations traveled country last 4 weeks recently taken decongestants substances may stimulant effects
atrial fibrillation psvt anemia pulmonary embolism guillain-barré syndrome panic attack scombroid food poisoning acute dystonic reactions myasthenia gravis anaphylaxis chagas sle hiv (initial infection)
PSVT