Category: U

A filter placed in a blood vessel to prevent emboli from passing that point. It has been used in the vena cava to prevent emboli in the veins from reaching the lungs.  

A test of visual attention that measures the space in which an individual can receive information rapidly from two separate sources. It is a strong predictor of accidents in older drivers. Training can expand the useful field of view and increase the visual processing speed of an elderly person.  

A nerve fiber that lacks a myelin sheath, although a neurilemma may be present in the peripheral nervous system.  

The inadvertent removal of an endotracheal tube (ET) by patients who are either not responsible for or not aware of their actions. To prevent a recurrence, the health care provider must be skilled in securing the ET. The tube needs to be firmly secured, tube-related discomfort minimized, and the patient’s delirium and agitation controlled. This…

The upper limb, including the shoulder, arm, forearm, wrist, and hand.  

An abnormal amount of eosinophils in the urine, a finding that sometimes indicates an allergic interstitial nephritis.  

An enzyme that catalyzes the conversion of uric acid into urea.  

A machine that rotates a dental instrument at speeds from 100,000 to 300,000 rpm.  

A rapidly destructive form of acute bacterial endocarditis characterized by necrosis or ulceration of the valves.  

The injection of particles into the uterine artery to block its blood supply. Uterine artery embolization is used as an alternative to hysterectomy in the management of uterine fibroids and, occasionally, postpartum bleeding. Complications from the procedure include pelvic pain, cramping, fever, nausea, vomiting, or occasionally uterine injury that necessitates surgical removal of the uterus.…