Knox County Hospital has an in-house radiology department fully equipped for x-rays 24/7. Normal business hours are 8:00 a.m. – 5:00 p.m. Monday- Friday. On call services are provided after 5 p.m. and on the weekends. All images are reviewed by Board Certified Radiologists of Hendrick’s Hospital. Mobile Services include: Vascular Ultrasound on Tuesday ? MRI on Thursdays ? Echocardiograms on Tuesdays as ordered