Theoretical Basis of the EKG
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     Theoretical Basis
          Introduction
          EKG Leads
          Standard Leads

          Augmented Leads
          Pericardial Lead

   The EKG Seen from the standard & Augmented Leads

   The EKG Seen from the Pericardial Leads
          The Mean Electrical Axis
          Determining Axis 1
          Determining Axis 2
          Determining Axis 3
     Conducting system 
    The EKG waveform
     Determining heart rate 
         Quiz 2: EKG 
  Cardiac Arrhythmias
  Myocardial Infraction
  Glossary
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EKG Precordial Leads

These six unipolar leads, each in a different position on the chest, record the electric potential changes in the heart in a cross sectional plane. Each lead records the electrical variations that occur directly under the electrode.


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