Radiology encompasses all of the imaging technology currently used in medicine as well as other sciences. As far as humans are concerned, we care about what it can do for us. Without imaging, doctors would not be able to see the different parts of the body inside and what could be wrong with them. When a patient comes in for help, they will want to get a diagnosis and a clear treatment plan. For many organic health problems, proper radiological imaging can mean the difference between life and death.
Diagnosis is what drives modern medicine. Doctors have to know what is going on inside of a person at times. Blood will show a great deal, but if anything internal is suspected, there will need to be an x-ray, CT scan, or even an MRI. It is up to the doctor which scan you get. Then they will consult with one of the experts in radiology Edison NJ to determine if the scan was sufficient for the exam. At that point, another radiological exam may be performed if the first one was not considered to be clear enough.
Much of this depends on your insurance, but you should understand that any radiology is typically going to be good enough as long as a qualified physician prescribes and monitors it. At the end of the exam, you should ideally have no serious problems. If the scans are negative, then you have no serious issues. If not, further steps will need to be taken.
One of the most common times radiology is used in medicine is when there is a broken bone in the body. Without the x-ray, doctors cannot clearly see the extent of the break or if it needs further care beyond setting. A similar truth is applicable for other health conditions.