An asthma attack is exactly that - the muscles around the airways and the lining of the air passages tighten. Swelling reduces the amount of air that can pass through the airways and leads to a high-pitched, wheezing sound. Asthma attacks can become life-threatening if the airflow in the lungs becomes severely blocked.
Ambulatory surgery centers. Definition. Ambulatory surgery centers (ASCs) are medical facilities that specialize in elective same-day or outpatient surgical procedures. They do not offer emergency care. The word ambulatory comes from the Latin verb ambulare , which means to walk..
There are two types of outpatient facilities: 1) outpatient surgery performed at a free-standing Ambulatory Surgery Center (ASC), which usually the best value and 2) hospital-based outpatient surgery, which is typically less expensive than inpatient care.