MEDRADSC 3DA3 Lecture Notes - Lecture 4: Metformin, Iterative Reconstruction, Breastfeeding
8 Aug 2020
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Radiologist, technologist, hca: availability, 3d images view from any plane. Conventional angio suite: requires antecubital and arterial puncture, tons of equipment required. Modern cta suite: has long beds, needs good ct (256 slice) Operating room - if your hospital is really well equipped . If biopsy at left lower lobe of the lung (where heart is as well: could also image heart at the same time. Common uses of cta: pulmonary embolism ct afternoons, renal artery assessment, aneurysms, dissection in the aorta or its major branches, atherosclerotic disease, stent - in conjunction with some 3d rendering techniques. Pulmonary angiogram: image timed well bc we don"t see any contrast in the left side of the heart (which would mean initiated scan too late, can"t differentiate b/w pulmonary arteries and pulmonary veins. Example of smart prep (aka bolus tracking) more effective for abdominal exams: sequential images at predefined location as contrast is being administered, when preset threshold is reached, scan is begun.
