feel anxious pain reason consulting characterize pain: characterize pain: feel pain feel pain intense pain pain radiate location precisely pain located fast pain experiencing shortness breath difficulty breathing significant way 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 anemia atrial fibrillation panic attack anaphylaxis pulmonary embolism acute pulmonary edema scombroid food poisoning acute dystonic reactions cluster headache guillain-barré syndrome chagas
PSVT