Pharyngitis is an inflammation of the pharynx, part of the throat, which is immediately behind the sky and extends to the Adam's apple (larynx). Inflammation usually occurs when viruses (or sometimes bacteria) from a cold, flu, or sinus infection enter the throat. With pharyngitis, symptoms appear like soreness, a "lump" sensation and a sore throat, aggravated by swallowing, dry cough, fever.
Meniere's disease is a pathological lesion of the cavity of the inner ear, having a non-inflammatory genesis. It is manifested by a number of symptoms - tinnitus, dizziness, hearing loss, which can turn into complete deafness. Parallel to this, there is staggering gait and incoordination. Such symptoms are due to the accumulation of large amounts of fluid in the maze with increasing pressure inside it.
Tachycardia is called rapid heartbeat, having any origin. It occurs if the heart rate becomes higher than 100 beats per minute. In this case, the rhythm can remain correct, that is, the duration of the intervals between contractions of the heart is constant. A condition in which an attack of tachycardia begins suddenly and ends just as suddenly is called paroxysmal tachycardia.
Anemia is a decrease in the blood count of red blood cells — red blood cells below 4.0x109 / l, or a decrease in hemoglobin levels below 130 g / l in men and below 120 g / l in women. Anemia during pregnancy is characterized by a decrease in hemoglobin below 110 g / l. This is not an independent disease, anemia occurs as a syndrome in a number of diseases and leads to disruption in the supply of oxygen to all organs and tissues of the body, which, in turn, provokes the development of many other diseases and pathological conditions.