Business executives need a wide variety of skills to perform their jobs, but the route to becoming an executive can take a wide variety of paths. Preparation for executive positions usually includes business courses such as accounting, marketing, management, human relations and technical classes in the field of the business.
The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting device that uses ultrasonic frequencies to fragment tissue. This highly-specialized instrument is available at only a handful of veterinary universities and human hospitals that focus on neurosurgery.
Compression ultrasound (CUS) is the primary testing procedure used to diagnose proximal deep vein thrombosis (DVT; a blood clot in a deep vein in the thigh or leg), as the method confirms and excludes DVT of the proximal veins (above the knee) but its accuracy for distal vein DVT (below the knee) has been questioned.