HIS BUNDLE ELECTROGRAM IN RHEUMATIC MITRAL VALVE DISEASE WITH SPECIAL REFERENCE TO BACHMANN'S BUNDLE BLOCK IN P MITRALE

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概要

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• HBEs were recorded from either the right or left ventricle or simultaneously from both in 26 patients with chronic rheumatic mitral stenosis alone or in association with other mild valvular lesions during th diagnostic cardiac catheterization. Eleven of the patients had auricular fibrillation. Of the remaining 15 patients with sinus mechanism and P mitrale in the surface electrocardiogram, 12 were noted to have H potential preceded the termination of P wave and gave P_2H interval of negative value -so-called "Bachmann's bundle block". Among these, double atrial activities (A and A' waves) could be identified on the HBE recorded from the left ventricular endocardial surface with catheter electrodes positioned at the subaortic region in 7 patients studied. Interatrial conduction time (P_1A' interval) measured in these patients was prolonged in all and ranged from 47 to 82 with an average of 66 msec. Prolongation of intraatrial (or internodal) conduction time was noted in only one patient who also had first degree A-V block and prolonged A-H interval. There was no cor-relation of either P_1P_2 or P_2H interval to the degree of left atrial enlargement. The P_1P_2 or P_2H interval also had no correlation with hemodynamic parameters. In patients with auricular fibrillation, all impulses unable to conduct to the ventricle were blocked proximal to the His bundle and concealed conduction was not observed distal to it.

• 社団法人日本循環器学会の論文
• 1975-09-20

著者

• Lien Wen-pin

  Division Of Cardiology Department Of Internal Medicine National Taiwan University Hospital

• LEE YING-SHIUNG

  Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital

• Lee Ying-shiung

  Division Of Cardiology Department Of Internal Medicine National Taiwan University Hospital

関連論文

• HIS BUNDLE ELECTROGRAM IN RHEUMATIC MITRAL VALVE DISEASE WITH SPECIAL REFERENCE TO BACHMANN'S BUNDLE BLOCK IN P MITRALE
• Acute Myocardial Infarction in a Young Man Complicated With Left Ventricular Thrombi
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• Cardiac dimensions and motion shortly after mitral valve surgery.

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