Diseases

The aortic valve is one of the four heart valves whose job it is to keep the blood flow from flowing in the wrong direction. It consists of three crescent-shaped semilunar valves and sits at the beginning of the aorta. If aortic stenosis occurs

Aphantasia is a special form of visual agnosia and corresponds to the complete inability to voluntarily call up visual images. The clinical picture is probably due to brain defects. So far there are no therapies.

Apert syndrome is a rare hereditary disease. Malformations occur in the entire organism with the most severe, chronic functional impairments and the course of disease through malformations. Both sexes are equally affected

Apical periodontitis is an inflammation of the tip of the tooth. It is one of the odontogenic infections.

Aplastic anemia occurs when the bone marrow is disrupted. There is a shortage of red blood cells, white blood cells and blood cells.

The aplastic crisis is a state of drastic deterioration in the formation of red blood cells (erythrocytes) in the context of hemolytic anemia. The cause of this crisis is usually the coincidence of a chronic hemolytic nature

In the case of the arachnoid cyst, the medical practitioner understands an accumulation of liquor that is surrounded by the arachnoid (spider web-like meninges).The human brain has three layers of meninges, the middle layer of which is thin and white

Arachnopathy is a rare disease that causes scars to form around the spinal cord. As a result of these scars, the patients suffer from severe restrictions in their movements and in general

Argyria is a discoloration of the skin and mucous membranes that is bluish-gray or slate-gray and is irreversible. Argyria is caused by taking silver in the form of metallic silver, drugs containing silver, colloidal

Arginine succinic acid disease is a metabolic disease that is already congenital. It is caused by a defect in the enzyme argininosuccinate lyase.

Ablepharon macrostomy syndrome is a rare and congenital complex of multiple malformations that primarily affect the face. Little is known about the etiology, but inheritance seems to be autosomal dominant. Therapeutically

The term arachnophobia describes an anxiety disorder in which the person suffers from a fear of spiders. This form of phobia is particularly widespread in Europe and can be triggered by different causes. While light

Arm plexus palsy is a mostly traumatic neurological damage to the nerves in the shoulder and arm area. Healing is a lengthy process which often does not end in a complete restoration of function.

The Arnold-Chiari malformation is a developmental disorder that displaces cerebellar parts from the brain space. The patients often only suffer from the first symptoms in their youth, which mostly correspond to unspecific complaints such as dizziness. The therapy

A heart disease is called arrhythmogenic right ventricular cardiomyopathy.

Arsenic intoxication is poisoning with the chemical element arsenic. Arsenic is a semi-metal and one of the trace elements. Poisoning is usually caused by trivalent soluble arsenic.

The anterior spinal artery syndrome is a disease that is triggered by a reduction in blood flow in the so-called anterior spinal artery. As a result of this reduced blood flow, typical symptoms arise

The superior mesenteric artery syndrome is a compression syndrome that leads to upper abdominal pain, difficulty in eating, and nausea and even vomiting. The patients often suffer from malnutrition, which is often associated with the consequences of those around them

For years, patients have been complaining about pain in one or both legs in office hours, which force them to stop after a certain distance. A patient who complains of such pain will certainly receive

The paralysis of the sixth cranial nerve, which is usually based on compression, is referred to as palsy of the abdomen. Squinting and double vision shape the clinical picture. Treatment depends on the cause.