conduction system disorder AE defect conduction intraventricular AE https://pubmed.ncbi.nlm.nih.gov/16308112/ This is an AE which comprise a group of abnormalities seen on the electrocardiogram (ECG) that often confuse clinicians and may conceal potentially lethal disease entities, such as acute myocardial infarction (MI). Cardiac impulses normally originate in the sinoatrial (SA) node and then are conducted through atrial tissue to the atrioventricular (AV) node and into the bundle of His. 10012118 心室传导缺陷 QY, JX, HY