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You are here: Contents > 2018-19 > Volume 27 Number 4 (2018-19) > CASE REPORT > Complete Atrioventricular Septal Defect in an Adult Diagnosed via Real-Time Three-Dimensional Transesophageal Echocardiography

Complete Atrioventricular Septal Defect in an Adult Diagnosed via Real-Time Three-Dimensional Transesophageal Echocardiography

Yuki Horike2, Yasuhide Mochizuki1,3, Yoichi Kijima1, Junya Shite1

1Division of Cardiology, Saiseikai Nakatsu Hospital, Osaka, Japan
2Ultrasound Examination Center, Saiseikai Nakatsu Hospital, Osaka, Japan
3Electronic correspondence: yasuhide820mochizuki@yahoo.co.jp

A 68-year-old man with a complaint of minor chest discomfort was admitted to the authors’ hospital for further evaluation of a pansystolic heart murmur. Transthoracic echocardiography in the left ventricular short-axis view demonstrated a mitral valve cleft with mild atrioventricular regurgitation. The patient had neither congenital anomalies nor significant atrioventricular valve regurgitation, and hispulmonary to systemic flow ratio (Qp/Qs) was also relatively low. This was considered a probable cause of the patient being mostly asymptomatic up to adulthood, despite having complete atrioventricular septal defect.

Video 1: Apical four-chamber view of a two-dimensional transthoracic echocardiogram indicates co-existing ASD and VSD. The bridging leaflets appear to be floating within the AVSD.

Video 2: Apical four-chamber view of a two-dimensional transthoracic echocardiogram indicates co-existing ASD and VSD. The bridging leaflets appear to be floating within the AVSD.

Video 3: Real-time three-dimensional transesophageal echocardiogram shows a common atrioventricular valve, which is composed of five leaflets and a common valvar orifice. This clip suggests that the cardiac abnormality is a complete type of AVSD.

The Journal of Heart Valve Disease 2018-19;27:269-271

Complete Atrioventricular Septal Defect in an Adult Diagnosed via Real-Time Three-Dimensional Transesophageal Echocardiography

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