WebThis study aimed to evaluate the diagnostic accuracy of combined direct and indirect CT venography (combined CTV) in the detection of lower extremity deep vein thrombosis (LEDVT). The institutional review board approved the study protocol, and patients or qualifying family members provided informed consent. A total of 96 consecutive patients ... WebJan 23, 2024 · Supine head first or feet first Zero at outer canthus of eye. Topogram Direction Craniocaudal Respiratory Phase Any KV / mA / Rotation time (sec) Pitch / …
CT Protocols OHSU
WebCTV Head (NO TILT) Scan from C1 through the top of the head. Routine Post Contrast Brain . 5 minute delay. Contrast: At the discretion of the Radiologist inject 100 ml of 320- … WebWhen is a CTA Head indicated? -Stroke eval -Vascular abnormalities What scanning mode would you use for cerebral imaging Helical What slice thickness is used for a CTA head? … highfield police department
How To Protocol Radiology Studies: CT Venogram (CTV) Head
WebMar 23, 2024 · contrast timing. monitoring: ascending aorta; test bolus (test volume 10-20 mL at the same flow as the cardiac scan e.g. 5.0-6.0 mL/s) bolus tracking; contrast volume. 50-70 mL contrast media at 5-7 mL/s; 30-40 mL contrast media at 4-5 mL/s (for longer bolus) 50-80 mL saline chaser at 4-5 mL/s; respiration phase. inspiration WebCTA looks at arteries, CTV looks at veins. The only difference essentially is timing. Feel free to message me if you want more in depth. CTAs usually have to do a “smart prep” on some type of artery, start scan once contrast is at peak, and chase the bolus. Venogram, just inject, once contrast all in, scan. highfield post office