Define filming projection and technique, Biology

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Q. Filming Projection and Technique?

Biplane ventriculography is preferred over single plane ventriculography because it gives more information without additional risk to the patient. Whether it is biplane or single plane ventriculography, one should use a view that gives maximum information of the area of interest with minimal overlapping of adjacent structures. For biplane ventriculography, the preferred view is 30°right anterior oblique (RAO) and 60° left anterior oblique (LAO). For single plane it is 30° RAO and 45° to 60° LAO views. For routine ventriculography, cineangiography at 30 frames/sec using a 9 inch field of view is recommended.


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