Because there are a large variety of jobs to be done underwater, commercial divers may also need to acquire other skills, like underwater welding, photography, or construction, depending on the type of work they'll be doing. In some companies, on-the-job training by more experienced divers also occurs.
Causes of Adenitis. Adenitis is usually caused by a viral or bacterial infection. Adenitis: Related Medical Conditions. To research the causes of Adenitis, consider researching the causes of these these diseases that may be similar, or associated with Adenitis: Sialoadenitis. Mesenteric adenitis.
Retinitis and choroiditis can each be caused by an autoimmune disease such as rheumatoid arthritis or lupus. In a large number of cases, the cause of uveitis is not known. Stress is sometimes suspected since the inflammation is triggered by the body's immune system. 1 | 2. Retinitis may be caused by viruses such as shingles or herpes and bacterial infections such as syphilis or toxoplasmosis. 2  Choroiditis is an inflammation of the layer beneath the retina. 3  It may also be caused by an infection such as tuberculosis.