medical test

accessories accessory analyse analysis analyze artery background beat beating black brown cardio cardiogram cardiograph cardioid cardiological cardiologist cardiology cardiomiopathy care checkup chest chestpiece clinic close closeup detail details device diagnose diagnoses diagnosis disease doctor draw ecg ekg electric electrocardiogram equipment examinati examine graph graphic health heap heart heartache heartbeat hearts hospital illness listen medic medical medicine paper pile plot plotting print pump red result results sickness stack steth stethoscope test tool