Diseases starting with a letter h

List Diseases – H

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Since the overgrown cells have a normal structure (do not differ from normal epithelial cells), hyperplastic polyps are considered benign formations.

Hyperplasia of the calcaneus.

Condylar process hyperplasia is a disease of unknown etiology characterized by persistent and accelerated growth of the condylar process when its growth should be minimal or complete. The growth eventually stops on its own.

Hyperpigmentation of the skin. Causes. Symptoms. Diagnosis. Treatment

Disruption of melanogenesis leads either to excessive formation of melanin, or to a significant decrease in its content or its complete disappearance - depigmentation.

Hyperphosphatemia

Hyperphosphatemia is a serum phosphate concentration greater than 4.5 mg/dL (greater than 1.46 mmol/L). Causes include chronic renal failure, hypoparathyroidism, and metabolic or respiratory acidosis. Clinical features of hyperphosphatemia may be related to concomitant hypocalcemia and may include tetany.

Hyperparathyroidism in children. Causes. Symptoms. Diagnosis. Treatment

Hyperparathyroidism is an excessive production of parathyroid hormone. Excessive production of parathyroid hormone can be caused by primary pathology of the parathyroid glands - adenoma or idiopathic hyperplasia (primary hyperparathyroidism).

Hyperparathyroidism - Information Overview

Hyperparathyroidism - fibrocystic osteodystrophy, Reckling-hausen disease - a disease associated with pathological hyperproduction of parathyroid hormone by hyperplastic or tumor-altered parathyroid glands.

Hyperosmolar coma

Hyperosmolar coma is a complication of diabetes mellitus, which is characterized by hyperglycemia (more than 38.9 mmol/l), blood hyperosmolarity (more than 350 mosm/kg), severe dehydration, and the absence of ketoacidosis.

Hyperopia (farsightedness) in children

Hyperopia (farsightedness) is a physiological type of refraction when it comes to a young child. This type of refraction is caused by the short anterior-posterior axis of the eyeball, a small corneal diameter, and a shallow anterior chamber.

Hypernatremia. Causes. Symptoms. Diagnosis. Treatment

Hypernatremia develops when compensatory reactions are disrupted and indicates disturbances in the renal sodium balance regulation system.

Hypermobility of internal organs

Hypermobility is a condition of increased mobility and flexibility of joints or other internal organs. This is one of the most common pathologies of the musculoskeletal system, which forces patients to see a doctor.

Hypermenstrual syndrome. Causes. Symptoms. Diagnosis. Treatment

Hypermenstrual syndrome is an increase in the volume and duration of menstruation up to constant bleeding. The development of hypermenstrual syndrome may be associated with both the slow rejection of the thickened mucous membrane of the uterus against the background of a relative or absolute excess of estrogens, and its slow regeneration at the end of the next menstruation.

Hypermagnesemia

Hypermagnesemia is a condition in which magnesium is elevated above 2.1 mEq/L (> 1.05 mmol/L). The main cause is renal failure. Symptoms of hypermagnesemia include hypotension, respiratory depression, and cardiac arrest. Diagnosis is based on serum magnesium levels. Treatment includes intravenous calcium gluconate and possibly furosemide; in severe cases, hemodialysis may be effective.

Hyperkinetic syndrome

Hyperkinetic syndrome is a complex of various involuntary, violent movements. This syndrome manifests itself mainly as one of the symptoms accompanying many neurological diseases.

Hyperkeratosis follicular and parafollicular, penetrating into the dermis. Causes. Symptoms. Diagnosis. Treatment

Follicular and parafollicular hyperkeratosis penetrating the dermis (syn.: Kyrle's disease) is a rare disease with an unknown type of inheritance, clinically manifested by keratotic papules, ranging in size from 3-4 mm to 1 cm, rarely more, localized mainly on the extensor surfaces of the extremities.

Hyperkeratosis

Skin hyperkeratosis is a condition in which the top layer of skin, called the epidermis, becomes thicker and tougher due to excess keratin formation.

Hyperkalemia. Causes. Symptoms. Diagnosis. Treatment

Hyperkalemia is a condition in which the concentration of potassium in the blood serum exceeds 5 mmol/L.

Hyperimmunoglobulinemia syndrome M

Hyper-IgM syndrome (HIGM) is a group of primary immunodeficiencies characterized by normal or elevated serum immunoglobulin M concentrations and a marked decrease or complete absence of immunoglobulins of other classes (G, A, E). Hyper-IgM syndrome is a rare immunodeficiency, with a population frequency of no more than 1 case per 100,000 newborns.

Hyperimmunoglobulinemia IgM syndrome: causes, symptoms, diagnosis, treatment

IgM hyperimmunoglobulinemia syndrome is associated with immunoglobulin deficiency and is characterized by normal or elevated serum IgM levels and absent or decreased levels of other serum immunoglobulins, resulting in increased susceptibility to bacterial infections.

Hyperimmunoglobulinemia E syndrome with recurrent infections. Symptoms. Diagnosis. Treatment

Hyper-IgE syndrome (HIES) (0MIM 147060), previously called Job syndrome, is characterized by recurrent infections, predominantly of staphylococcal etiology, coarse facial features, skeletal abnormalities, and markedly elevated levels of immunoglobulin E. The first two patients with this syndrome were described in 1966 by Davis and colleagues. Since then, more than 50 cases with a similar clinical picture have been described, but the pathogenesis of the disease has not yet been determined.

Hyperhomocysteinemia: causes, symptoms, diagnosis, treatment

Hyperhomocysteinemia may contribute to the development of arterial or venous thromboembolism, possibly due to damage to the endothelial cells of the vessel wall. Plasma homocysteine levels are increased more than 10-fold in homozygotes with cystathionine synthase deficiency.

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List Diseases – H

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