A CT scan of healthy lungs looks typical in size with no inflammation, allowing the diaphragm to dome. Lungs with emphysema can look overinflated, with muscle loss, making the diaphragm misshapen. The ...

Forbes contributors publish independent expert analyses and insights. Robert Glatter is a New York-based physician covering public health. One of the main reasons that health care providers order a ...

Our goal in designing this study was to attempt to document a clinical means of evaluating patients with minor head injury, possibly reducing the cost of their evaluation. We hypothesized that ...

If a doctor suspects you may have a pulmonary embolism (PE), a CT scan is the gold standard of imaging techniques. This painless scan uses intravenous (IV) contrast, a type of dye, to help the doctor ...