What is the difference between angiogram and angiography?

Angiogram: Angiograms and angioplasty are defined when you break down the words into their respective suffixes and prefixes. The prefix ‘angio’ relates to a blood vessel or lymph vessel. The suffix ‘gram’ is the analysis or recording of something, and ‘plasty’ is the repair and restoration of something.

Verb versus noun: Angiography is the process of performing an x-ray picture (or an image) of a blood vessel by injecting the vessel with an opaque dye. Th dye often contains iodine. An angiogram is the picture of the blood vessel that was taken while performing angiography.

Yes: An angiogram is the actual procedure with associated images of the specific vascular territory. Angiography is term to describe the imaging modality.