尔雅 智慧树 mooc

Aperson’selectrocardiogram(ECG)hasnoPwave，buthasanormalQRScomplexandanormalTwave.Therefore，hispacemakerislocatedinthe：Asinoatrial(SA)nodeBatrioventricular(AV)nodeCbundleofHisDPurkinjesystem

  尔雅 智慧树 mooc


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