accessories of electrocardiogram and the wall background, medical instrument used to monitor heart rate in heart disease patient.

abnormal accessories armleads background care checkup clinic close closeup design detected detector diagnosis disease doctor electric electrocardiogram electronic eletrocardiogrammedical essential evaluation examination focus health healthcare heart heartdisease heartfailure heartrate hospital instrument light limbleads medical metal model monitor nurse object patient patients pattern plastic rate stainless technology tools used useful wall