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Infectious diseases that are novel in their outbreak ranges (geographic and host) or transmission mode.

Infectious diseases originating in one geographically delineated ecosystem that are carried (by travel or immigration) to another geographically deli…

Any infection acquired in the community, that is, contrasted with those acquired in a health care facility (CROSS INFECTION). An infection would be c…

Infection of the lungs in a patient who is not hospitalized or who has not resided in a long-term care facility for 14 days prior to the onset of sym…

Sexually transmitted form of anogenital warty growth caused by the HUMAN PAPILLOMAVIRUS VIRUSES.

Inherited syndromes characterized by deficiency or absence of various blood cells due to mutations that affect HEMATOPOIETIC STEM CELLS development a…

A familial, nontransient HYPOGLYCEMIA with defects in negative feedback of GLUCOSE-regulated INSULIN release. Clinical phenotypes include HYPOGLYCEMI…

A condition in infancy or early childhood due to an in-utero deficiency of THYROID HORMONES that can be caused by genetic or environmental factors, s…

Congenital vascular malformation where the portal venous system blood (PORTAL SYSTEM) bypasses the liver sinusoids and drains into the systemic vein …

A rare heart defect that occurs when the HEART VENTRICLES and attached valves, the MITRAL VALVE and the TRICUSPID VALVE are reversed so that the AORT…

A highly contagious disease characterized by subconjunctival hemorrhage, sudden swelling of the eyelids and congestion, redness, and pain in the eye.…

Purulent infections of the conjunctiva by several species of gram-negative, gram-positive, or acid-fast organisms. Some of the more commonly found ge…

An infection of the eyes characterized by the presence in conjunctival epithelial cells of inclusion bodies indistinguishable from those of trachoma.…

Inflammation, often mild, of the conjunctiva caused by a variety of viral agents. Conjunctival involvement may be part of a systemic infection.

A heterogeneous group of disorders, some hereditary, others acquired, characterized by abnormal structure or function of one or more of the elements …

Primarily a patient-reported sensation, complaint or symptom rather than a disease entity.

An autosomal dominant porphyria that is due to a deficiency of COPROPORPHYRINOGEN OXIDASE in the LIVER, the sixth enzyme in the 8-enzyme biosynthetic…

A malformation of the heart in which the embryonic common PULMONARY VEIN was not incorporated into the LEFT ATRIUM leaving behind a perforated fibrom…

Loss of epithelial tissue from the surface of the cornea due to progressive erosion and necrosis of the tissue; usually caused by bacterial, fungal, …

Abnormal balloon- or sac-like dilatation in the wall of CORONARY VESSELS. Most coronary aneurysms are due to CORONARY ATHEROSCLEROSIS, and the rest a…

Pathological processes of CORONARY ARTERIES that may derive from a congenital abnormality, atherosclerotic, or non-atherosclerotic cause.

An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYO…

Complete blockage of blood flow through one of the CORONARY ARTERIES, usually from CORONARY ATHEROSCLEROSIS.

Recurrent narrowing or constriction of a coronary artery following surgical procedures performed to alleviate a prior obstruction.

Narrowing or constriction of a coronary artery.

The label is process-shaped, but the organ-specific concept may also function as a disorder; manual semantic review is required.

Spasm of the large- or medium-sized coronary arteries.

Malformations of CORONARY VESSELS, either arteries or veins. Included are anomalous origins of coronary arteries; ARTERIOVENOUS FISTULA; CORONARY ANE…

A complication of INTERNAL MAMMARY-CORONARY ARTERY ANASTOMOSIS whereby an occlusion or stenosis of the proximal SUBCLAVIAN ARTERY causes a reversal o…

Virus diseases caused by CORONAVIRIDAE.