Angina is an infectious disease, the main manifestation of which is inflammation of the tonsils. The disease is provoked by various microbes, mainly streptococci, they get into the throat more often with household items used by a sore throat. The term "angina" has been known since the days of ancient medicine; to date, many pathological changes of the oropharynx have been associated with it, which have common symptoms, but differ in etiology and course.
Otitis is an inflammation and swelling of the auricle. It can be chronic or acute, purulent or catarrhal. Most often, the disease occurs in children. According to statistics, about 80% of children under 3 years of age have had otitis at least once. It is manifested by pain in the ear (pulsating, shooting, aching), increased body temperature, hearing impairment, tinnitus, mucopurulent discharge from the external auditory canal.
Angina pectoris is a common heart disease that, when progressed, leads to chronic heart failure and myocardial infarction. Angina pectoris is often seen as a symptom of coronary artery lesions - a sudden pressing pain behind the sternum that occurs on the background of physical exertion or a stressful situation.
Atherosclerosis is a dangerous disease that affects the blood vessels of the brain. When it on the inner lining of the arteries are formed foci of cholesterol deposits, they cause a narrowing of the lumen of the vessels up to complete blockage. With a slowly increasing blockage, the symptoms of cerebral arteriosclerosis determine the degree of insufficient blood supply to the brain.