{"version":"1.0","type":"link","title":"Electrocardiogram - Newikis","description":"An electrocardiogram (ECG or EKG) is a record of the electrical activity of the heart over a period of time. The instrument that makes the record is the ECG machine or Electrocardiograph. Willem Einthoven invented it in 1902. An ECG uses electrodes attached on your chest and limbs on the surface of…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/d/df/12_lead_ECG.jpg/1280px-12_lead_ECG.jpg","thumbnail_width":1280,"thumbnail_height":839}