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PQ



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Conduction - ECGpedia

The PQ interval starts at the beginning of the atrial contraction and ends at the beginning of the ventricular contraction. 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...

Конвой PQ17 все серии подряд - YouTube

Конвой PQ 17. Роман Андреев. Валентин Пикуль "Реквием каравану PQ-17". Адмирал Гремящий.







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