What does a standard EKG setup typically require in terms of leads?

A standard EKG setup typically requires 12 leads. This configuration uses a combination of limb leads and precordial leads to provide a comprehensive view of the heart's electrical activity from multiple angles. The 12 leads consist of four limb leads (one on each arm and one on each leg) and six precordial leads placed on the chest. These leads work together to create 12 different electrical viewpoints, allowing for better diagnosis of various cardiac conditions.

Having 12 leads is essential for accurately interpreting the heart's rhythm and detecting issues such as arrhythmias, myocardial infarction, and other cardiac abnormalities. While fewer leads can be used for simpler assessments or monitoring, the 12-lead EKG gives a complete and detailed picture that is vital in clinical practices.