electrocardiogram graph on the patient chart and waiting doctor to check the symptoms of the patient again. primary care in er.

12leads again armleads avf avl avr care chart check checkup chest clinic clinical detection doctor ecgprimary ekg electric electrocardiogram electronic emergency er evaluation firstaid graph have healthcare healthy heartrate hospital investigation limbleads line normal nurse pain patient patients pattern primary qrscomplex rhythm room show showing sign sinusrhythm symptom symptoms technology ventricular waiting who