12 Lead Placement Mason Likar Modified

**Semantic type:** Classification

**Definition:** An electrocardiogram (ECG) lead placement whereby 12 leadpoints are recorded but the Mason Likar lead positions have been modified so that V1 to V6 on the chest are part of a single electrode pad. In addition, lead CM5 is substituted for lead aVR.

**Synonyms:** - 12 LEAD MODIFIED MASON LIKAR - 12 Lead Modified Mason Likar