What was set up to give health care providers a coding system that describes specific products, supplies, and services that patients receive?

A respiratory therapist is evaluating an x-ray of a distressed patient. She finds a dark black band of air between the lung and chest wall. There are no lung markings in this area. Which of the following likely describe the condition she is seeing?

A) pneumomediastinum B) pneumothorax C) pulmonary interstitial emphysema (PIE) D) pneumopericardium

Medical conditions such as ________ are among the most common causes of cardiac compromise.

A. heart failure B. gall stones C. nausea D. Alzheimer's