Truncus Arteriosus and Absent Ascending Aorta With Unusual Head and Neck Vessel Origins.

We describe a neonate with a unique variant of truncus arteriosus with interrupted aortic arch, an absent ascending aorta, persistent right dorsal aorta, and an unusual brachiocephalic artery pattern in which all head and neck vessels were supplied from the ductal arch-descending aorta continuum. ().

Correlation of transthoracic echocardiography-derived pulmonary to systemic flow ratio with hemodynamically estimated left to right shunt in atrial septal defects.

Background: Transthoracic echocardiographic (TTE) estimation of the pulmonary to systemic flow ratio (Qp/Qs) is routinely used in clinical practice and is included in the American Society of Echocardiography Guidelines. We sought to assess its real-world applicability with a particular focus on hemodynamically significant shunt lesions.

Methods: Retrospective single institutional review of TTE's in patients with secundum atrial septal defect prior to cardiac catheterization (cath) from 2012 to 2018 was performed ( = 109), those with technically limited images for Qp/Qs calculation ( = 11) and those with time interval between TTE and cath >60 days were excluded ( = 14).

Juxtaposition of the Atrial Appendages: A Large Echocardiographic Series.

Juxtaposition of the atrial appendages is known to occur in specific congenital heart lesions. Recognition of these variants is critical in balloon atrial septostomy and atrial switch operations. There remains little clinical data on the prevalence and associations of these lesions.

Congenitally "Inverted" Pulmonary Valve in Tetralogy of Fallot: When Nature Falters.

A cyanotic neonate with tetralogy of Fallot was found to have a congenitally inverted pulmonary valve. Diagnosis was made via echocardiography and cardiac catheterization. The valve opened retrograde into the right ventricle, which allowed severe regurgitation and prevented anterograde flow.