The video clip on the left was obtained in the cardiac cath lab
as the right coronary angiogram was recorded in the RAO/Caudal 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
The photograph on the left above shows the x-ray tube, image intensifier/camera
(II) assembly in the RAO/Caudal projection. The tube is displayed is in
a 40 degrees RAO angulation with a 30 degrees caudal 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.