Conduction: Difference between revisions

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==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.'''
[[Image:PR_interval_buildup.svg|thumb|The PR duration depends on the conduction velocity in the atria, AV node, His bundle, bundle branches and Purkinje fibers.]]
[[Image:PR_interval_buildup.svg|300px|thumb|The PR duration depends on the conduction velocity in the atria, AV node, His bundle, bundle branches and Purkinje fibers.]]