Case Report
An Unusual Cause of Hypoxia: Ventricular Septal Defect, Pulmonary Artery Atresia, and Major Aortopulmonary Collaterals Diagnosed in the Adult Cardiac Catheterization Lab
Figure 3
Diagram showing invasive hemodynamics and oximetry. Note that the right MAPCA originates from the descending aorta and the left MAPCA from the left subclavian artery (red arrows).