electrocardiogram for detected abnormal heart rate in the patients who has clinical chest pain in the emergency room in hospital.

12leads abnormal accessories armleads blue cables cablesline call chest chestpain clinical cpr dangerous detected detector diagnosis differential disease ecg ekg electrocardiogram emergency equipment function has healthcare heart heartattack heartdisease hospital instrument leads limbleads medical monitoring ncd object pain patients physiology plastic rate room sign steel symptom tool used useful who