Conduction: Difference between revisions

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[[Image:QRSwaves.jpg|thumb|300px|right]]
[[Image:QRSwaves.jpg|thumb|300px|right]]
==The PQ interval==
==The PQ interval==
[[Image:conduction_pq.svg|thumb|300px|right|Conduction from the sinus node to the AV node takes between 0.12 and 0.20 seconds]]
[[Image:conduction_pq.svg|thumb|300px|right|The PQ duration depends on the conduction velocity in the atria, AV node, His bundle, bundle branches and Purkinje fibers]]
'''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.'''


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