MEDRADSC 3DA3 Lecture Notes - Lecture 4: Pulmonary Embolism, Pulmonary Artery, Renal Artery

• School: McMaster University
• Department: Medical Radiation Sciences
• Course: MEDRADSC 3DA3
• Professor: Lyndsay Simmons

Document Summary

Conventional vs cta: blood work, anticubital and arterial puncture in groin. Higher risk (bleed, infection: sedation used, recovery required, staffing and resources required. Money: able to fix problems while performing procedure, good quality for small vessels, only anticubital venipuncture, no sedation, tech only needed, less patient prep (1 type of blood work, faster procedure, cheaper, availability 24/7, high image quality. Similarities: creatinine blood testing, roadmapping/ scout taken. Iv and vitals needed: conventional reserved for interventional procedures, angioplasty, stenting, consider the use of a ct suite or conventional angiographic procedures. Common uses of cta: pulmonary embolism, renal artery assessment, aneurysms, dissection in the aorta or its major branches, atherosclerotic disease, stent. Pulmonary angiogram: timed well, contrast should ne be seen in the left side of the heart, this would mean scan was initiated too late. Roi over time documented on the graph -: threshold value is 110, reached at 21 seconds (peak)