0 a structure or organ in the body that is shaped like a funnel (= an object that is wide at the top and narrow at the bottom) --
A small opening was seen in the floor of the right ventricular infundibulum communicating with the right ventricular apical component.
Pulmonary atresia may be localised to the valve itself, or may additionally involve the infundibulum.
In 14%, right ventricular outflow tract creation would afford additionally stent implantation in the right ventricular infundibulum.
The other three patients did not undergo surgery and, in these, the diagnosis was confirmed at autopsy and had side by side infundibulums.
The posterior infundibulum was obstructed in six patients (22.2%), this being connected with the pulmonary trunk in four and with the aorta in two.
The aorta takes its origin from this ventricle, arising via a muscular infundibulum.
In addition, there was endocardial sclerosis in the infundibulum, consistent with turbulent blood flow.
Another reason for not using the video images was the detection of marked changes in the width of the pulmonary infundibulum throughout the cardiac cycle.
