Atrioventricular block secondary to a congenital aneurysm of the membranous septum. Histological examination of conduction system.
نویسندگان
چکیده
Atrioventricular block which caused death in a 6-month-old baby is reported. Necropsy examination revealed the only abnormality in the heart to be an aneurysm of the membranous septum. Histological examination of the conduction system showed fibrosis and attenuation of the bundle of His at the lower border of the aneurysm.
منابع مشابه
Anatomic Studies of the Cardiac Conduction System in Congenital Malformations
A frequent and serious complication of certain intracardiac procedures is heart block, produced by operative injury to the conduction pathways. The anatomic relationship of the conduction system to cardiac defects has previously been studied only in isolated cases of heart block. This report deals with a study, by means of serial sections and reconstructions, of the relationships of the atriove...
متن کاملAortic valve replacement for quadricuspid valve: a lesson learnt from a negative experience.
Quadricuspid aortic valve is a rare congenital abnormality often associated with valve incompetence and requires surgical correction in adulthood. However, using a standard suture technique of aortic valve replacement, postoperative complete atrioventricular block is not uncommon because of the downward displacement of the supranumerary leaflet towards the membranous septum. We describe a sutur...
متن کاملConduction tissue changes associated with enlarged membranous septum--a cause of sudden death?
We have studied four hearts in which enlargement of the ventricular membranous septum was associated with histological abnormalities of the atrioventricular conduction tissues. Two of the cases showed unusually formed penetrating and non-branching main atrioventricular bundles. These two cases plus one other also showed right-sided penetrating and main atrioventricular bundles. In addition thes...
متن کاملEchocardiographic Measurements of Left Ventricular Wall Thickness and Regional Myocardial Performance During Acute Coronary Ischemia
dimensional technique for evaluating congenital heart disease. Circulation 57: 503, 1978 13. Rudolph AM: Congenital diseases of the heart. Chicago, Year Book Medical Publishers, Inc, 1974, p 218 14. Varghese PJ, Izukawa T, Celermajer J, Simon A, Rowe RD: Aneurysm of the membranous ventricular septum: a method of spontaneous closure of small ventricular septal defects. Am J Cardiol 24: 531, 1969...
متن کاملDysplasia of the atrioventricular valves associated with conduction system anomalies.
Clinical, vectorcardiographic, and echocardiographic data from two siblings with atrial septal defects and dysplasia of the mitral and tricuspid valves are reported. Vectorcardiograms showed that both siblings had abnormal ventricular activation with initial electrical forces directed posteriorly. One sibling died after surgery, and necropsy showed incomplete differentiation of the leaflets and...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- British heart journal
دوره 37 10 شماره
صفحات -
تاریخ انتشار 1975