What is CT scan, when it is recommended and understanding its result?
What is a CT scan?
CT Scan refers to Computed Tomography Scan. It is a kind of imaging technology and diagnostics procedure used to detect various diseases and medical conditions in a human body. 
It is medical imaging and monitoring procedure that uses X-Rays to create cross-sectional images of different parts inside a body. It is a painless and fast procedure through which multiple images are produced from different angles. 
When is CT scan recommended?
CT Scan is used to diagnose various medical problems. It can be recommended if you have-
-Bone or muscle problems such as tumor or fracture.
-Injuries or internal bleeding from trauma such as vehicle accident, or any other reason
-Have conditions like heart diseases, cancer, liver masses, kidney and gallbladder stones
-Problem breathing, abdominal or chest pain
-Blood clots, infection, nodules
CT Scans are also recommended to guide and evaluate the treatment procedure such as biopsy, surgery and radiation therapy.
Preparing for CT scan
-Bring all the previous X-rays and medical reports
-Wear loose and comfortable clothes
-Remove all the jewelry and metal objects
-You may be given a gown to wear by the examining staff.
-Tell the doctor if you are pregnant or have any allergies or any other medical conditions.
-You may be asked not to eat and drink a few hours before the examination if it involves a dye (contrast agent).
-Prepare yourself to be calm and still.
Understanding CT scan results 
The report is analyzed and interpreted by the radiologist and is sent to the physician. The physician discusses the report and results with you.