The video clip on the left was obtained in the cardiac cath
lab as the right coronary angiogram was recorded in the AP projection.
The movie clip demonstrate both a "video" representation (coronary
angios, as they appear on playback in the cath lab) and the "cine"
or cineangiographic equivalent as seen on the developed film. The
two views correspond to the negative and positive prints of photography
film. You can toggle back and forth between the two views by clicking
on the respective button. You can also click a button to see a labeled
freeze frame of the coronary angiogram.
In the AP view, the RCA begins close to the spine
and then runs roughly parallel to it. The right ventricular, acute
marginal, posterior descending and postero-lateral branches come off
the RCA at and angle.
The photograph on the top left shows
the x-ray tube, image intensifier/camera assembly in the AP projection
with no caudal or cranial tilt. The photograph on the right shows the
camera's view of the patient's torso and heart. The size of the latter
has been exaggerated for purposes of illustration.