12 Key and Core Catalog With a mechanical key system, the level of security is determined by masterkey control. A masterkey system enables facilities of any size to manage the building by defining access by person and by area in increasing levels of complexity. Since BEST invented the standard for masterkey systems, there is no
When they occur in the upper part of the aorta, they are called thoracic aortic aneurysms. Aneurysms can occur anywhere in the thoracic aorta, including the ascending aorta near the heart, the aortic arch in the curve of the thoracic aorta and the descending aorta in the lower part of the thoracic aorta.
tachypnea tachy- = rapid; -pnea = breathing. an abnormally rapid rate of respiration usually of more than 20 breaths per minute tachypnea... thoracentesis thor/a = chest; -centesis = surgical puncture to remove fluid. the surgical puncture of the chest wall with a needle to obtain fluid from the pleural cavity. thoracostomy thorac = thorax or chest; -ostomy = surgical creation of an opening.