feel anxious pain reason consulting characterize pain: characterize pain: feel 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
atrial fibrillation psvt pulmonary embolism guillain-barré syndrome anemia cluster headache panic attack scombroid food poisoning acute dystonic reactions anaphylaxis chagas
PSVT