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Health

List Diseases – M

3 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The myotonic phenomenon is based on the slow relaxation of muscles after their active contraction. The myotonic phenomenon is especially provoked by a fast movement performed with considerable effort. After it, the relaxation phase is delayed for 5-30 seconds.
Myositis of the neck is an inflammatory process in the muscle tissues of the cervical region, characterized by pain in the affected area of the muscles, weakness and limited mobility of the neck.
According to statistics, almost everyone experiences back pain of varying intensity, and frequently recurring pain is observed in almost 20% of adults. However, there are not many patients diagnosed with myositis of the back.
Nearsightedness (myopia) is a type of disproportionate refraction in which parallel rays of light, refracted by the optical system of the eye, are focused in front of the retina.
The term myopathy is broadly understood as a disease of skeletal muscles. According to one of the modern classifications, myopathies are divided into muscular dystrophies, congenital (congenital) myopathies, membrane myopathies, inflammatory myopathies and metabolic myopathies.
This disease is most often found in women of young reproductive age, which poses a risk of developing serious complications in the future.

For the vast majority of patients, this term is incomprehensible and even suspicious. What does myoglobinuria hide, and is it worth being afraid of this condition?

Myocarditis is a disease characterized by damage to the heart muscle of an inflammatory nature, caused by direct or mediated through immune mechanisms exposure to infection, parasitic or protozoan invasion, chemical and physical factors, and also arising from allergic, autoimmune diseases and heart transplantation.

Myocarditis is a focal or diffuse inflammation of the heart muscle as a result of various infections, exposure to toxins, drugs or immunological reactions leading to damage to cardiomyocytes and the development of cardiac dysfunction.

The frequency of ruptures of the free wall of the left ventricle in myocardial infarction ranges from 1% to 4%, it is the 2nd cause of death of patients in hospital (after cardiogenic shock), and at autopsy, ruptures of the free wall of the heart are detected in 10-20% of the deceased.
In patients with angina pectoris and/or spontaneous angina (including unstable angina), up to 50-75% of myocardial ischemia episodes are painless (asymptomatic, “silent”).
Myocardial infarction occurs due to acute obstruction of a coronary artery. The consequences depend on the degree of obstruction and range from unstable angina to non-ST-segment elevation myocardial infarction (HSTHM), ST-segment elevation myocardial infarction (STHM), and sudden cardiac death.

Elderly people experience various forms of ischemic heart disease - myocardial infarction in the elderly, angina pectoris, atherosclerotic cardiosclerosis, chronic circulatory failure, rhythm disturbances and intermediate forms of coronary insufficiency (small focal myocardial infarction in the elderly and focal myocardial dystrophy).

Small-focal myocardial infarction is a morphologic variant of damage to the muscle tissue of the heart that involves the subendocardial zone, the layer in the endocardium that connects it to the myocardium, and represents a subendocardial infarction.

Myiasis is an invasion by the larvae of certain species of flies and gadflies; it is characterized by polymorphism of clinical manifestations depending on the localization of the parasite.
Myeloproliferative disorders are characterized by abnormal proliferation of one or more hematopoietic cell lines or connective tissue elements. This group of diseases includes essential thrombocythemia, myelofibrosis, polycythemia vera, and chronic myelogenous leukemia.
Myeloperoxidase deficiency is the most common congenital pathology of phagocytes; the frequency of complete hereditary myeloperoxidase deficiency is from 1:1400 to 1:12,000.
Myelopathic syndrome includes a symptom complex caused by damage to the membranes, substance, and roots of the spinal cord due to various pathological conditions.
Myelofibrosis (idiopathic myeloid metaplasia, myelofibrosis with myeloid metaplasia) is a chronic and usually idiopathic disease characterized by bone marrow fibrosis, splenomegaly, and anemia with the presence of immature and teardrop-shaped red blood cells.
Myelodysplastic syndrome includes a group of diseases characterized by cytopenia in peripheral blood, dysplasia of hematopoietic precursors, hypercellularity of the bone marrow and a high risk of developing AML.

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