characterize 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 traveled country last 4 weeks recently taken decongestants substances may stimulant effects
atrial fibrillation pulmonary embolism psvt anemia myocarditis acute dystonic reactions scombroid food poisoning anaphylaxis
PSVT