Conduction: Difference between revisions

m
no edit summary
mNo edit summary
mNo edit summary
Line 5: Line 5:
|nextname=Learn how to determine the heart axis
|nextname=Learn how to determine the heart axis
}}
}}
{{clr}}
==The PQ interval==
==The PQ interval==
  The PQ interval starts at the beginning of the atrial contraction and ends at the beginning of the ventricular contraction.
  The PQ interval starts at the beginning of the atrial contraction and ends at the beginning of the ventricular contraction.