The mechanism of respiratory variation in splitting of the second heart sound.
نویسندگان
چکیده
منابع مشابه
A phonocardiographic study of right bundle branch block, with special reference to the second heart sound.
The second heart sounds in 29 cases with right bundle branch block, mainly surgically induced, were studied. Three general types of the second sound were classified. Eleven cases revealed wide splitting of the second sound (0.05 sec. or more), and 14 cases showed narrow splitting less than 0.05 sec.), while 4 cases showed a single 2nd heart sound throughout the respiratory cycle. Ten cases reve...
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متن کاملMechanisms of fixed splitting of the second heart sound.
P ROPER elinical anialysis of the secondll heart sound has oily recently been emphasized.1 An ullderstalldill(r of the normal second heart sound has increased the diagnoslie usefulness of its variations in congenital and acquired heart disease. In atrial septal (lefeet, as emphasized by Wood,( the aortic aid pulmnonic coniponelits of the second heart sou]d(l are not o0ly widely separated, but t...
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عنوان ژورنال:
- Circulation
دوره 24 شماره
صفحات -
تاریخ انتشار 1961