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Conduction: Difference between revisions
→The PQ interval: noted that PQ interval is sometimes referred to as the PR interval as the Q wave is not always present
(→The PQ interval: noted that PQ interval is sometimes referred to as the PR interval as the Q wave is not always present) |
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[[Image:QRSwaves.jpg|thumb]] | [[Image:QRSwaves.jpg|thumb]] | ||
The PQ interval indicates how fast the action potential is transmitted through the AV node (atrioventricular) from the atria to the ventricles. Measurement should start at the beginning of the P wave to the beginning of the QRS segment. | The PQ interval (sometimes referred to as the PR interval as a Q wave is not always present) indicates how fast the action potential is transmitted through the AV node (atrioventricular) from the atria to the ventricles. Measurement should start at the beginning of the P wave to the beginning of the QRS segment. | ||
'''The normal PQ interval is between 0.12 and 0.20 seconds'''. | '''The normal PQ interval is between 0.12 and 0.20 seconds'''. | ||