cardiology line icons. included icon as heart attack, ecg, doctor, pacemaker, defibrillator outline

aid arrhythmia artery atherosclerosis attack breath cardiac cardiogram cardiologist cardiology cardiovascular clinic defibrillator diagnostic disease ecg equipment health healthcare heart heartbeat holter hospital human hypertension icon illustration line medical medicine monitor outline pacemaker pain patient pediatric pictogram pulse set shortness sign sphygmomanometer stenting stethoscope technology thin treatment ultrasound vector vein