A concussion is a blow to the head or any other part of the body that causes a shaking or a twisting injury to the brain. It can be called a functional injury of the brain as it changes how the brain functions, but generally doesn't change how the brain appears. A CAT scan can help identify a structural injury to the brain, but not so much functional injuries. The reason why a CAT scan may be ordered is when an individual does not seem to be getting better after a concussive injury.
During the initial spread of the COVID-19 pandemic, patients were advised to only visit the hospital for emergency services. But as it becomes apparent that the coronavirus will not be going away anytime soon, holding off on getting your MRI because of the coronavirus may not be in your best interest any longer.
Bone density tests measure the strength of your bones. They help determine your risk for sustaining a bone fracture. Let’s consider when you might need a bone density test and when you don’t.
It is very rare that a patient is admitted to a hospital and the physician does not order any kind of imaging study. Radiology is important for the timely and appropriate management of nearly every major disease area from Orthopedics to Gastroenterology to Oncology; and so it can play a central role in reducing healthcare costs.