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Procedure in which an anesthetic such as a gas or mixture of gases is inhaled through a tube into the lungs.

Procedure in which an anesthetic is injected into the epidural space.

Procedure in which patients are induced into an unconscious state through use of various medications so that they do not feel pain during surgery.

Anesthesia caused by the breathing of anesthetic gases or vapors or by insufflating anesthetic gases or vapors into the respiratory tract.

Process of administering an anesthetic through injection directly into the bloodstream.

A blocking of nerve conduction to a specific area by an injection of an anesthetic agent.

A variety of anesthetic methods such as EPIDURAL ANESTHESIA used to control the pain of childbirth.

Procedure involving the instillation of an anesthetic into the rectum.

Procedure in which an anesthetic is injected directly into the spinal cord.

Benign DERMATOSIS caused by a loss of dermal ELASTIC TISSUE resulting in localized sac-like areas of flaccid skin. It can be either primary (idiopath…

Residual high-priority semantic candidate found after excluding all completed reclassification sources.

Pathological outpouching or sac-like dilatation in the wall of any blood vessel (ARTERIES or VEINS) or the heart (HEART ANEURYSM). It indicates a thi…

An abnormal balloon- or sac-like dilatation in the wall of the AORTIC ARCH.

An abnormal balloon- or sac-like dilatation in the wall of the ASCENDING AORTA.

Not an aneurysm but a well-defined collection of blood and CONNECTIVE TISSUE outside the wall of a blood vessel or the heart. It is the containment o…

Aneurysm due to growth of microorganisms in the arterial wall, or infection arising within preexisting arteriosclerotic aneurysms.

The tearing or bursting of the weakened wall of the aneurysmal sac, usually heralded by sudden worsening pain. The great danger of a ruptured aneurys…

A syndrome characterized by multiple abnormalities, INTELLECTUAL DISABILITY, and movement disorders. Present usually are skull and other abnormalitie…

The symptom of paroxysmal pain consequent to MYOCARDIAL ISCHEMIA usually of distinctive character, location and radiation. It is thought to be provok…

A clinical syndrome characterized by the development of CHEST PAIN at rest with concomitant transient ST segment elevation in the ELECTROCARDIOGRAM, …

Persistent and reproducible chest discomfort usually precipitated by a physical exertion that dissipates upon cessation of such an activity. The symp…

Precordial pain at rest, which may precede a MYOCARDIAL INFARCTION.

Acquired degenerative dilation or expansion (ectasia) of normal BLOOD VESSELS, often associated with aging. They are isolated, tortuous, thin-walled …

Swelling involving the deep DERMIS, subcutaneous, or submucosal tissues, representing localized EDEMA. Angioedema often occurs in the face, lips, ton…

Inherited disorders that are characterized by subcutaneous and submucosal EDEMA in the upper RESPIRATORY TRACT and GASTROINTESTINAL TRACT.

A benign neoplasm of fibrous tissue in which there are numerous small and large, frequently dilated, vascular channels. (Stedman, 25th ed)

Small breaks in the elastin-filled tissue of the retina.

A vascular, horny neoplasm of the skin characterized by TELANGIECTASIS and secondary epithelial changes including acanthosis and hyperkeratosis.

A benign neoplasm composed of a mixture of adipose tissue and blood vessels. (Dorland, 27th ed)

Solitary or multiple benign cutaneous nodules comprised of immature and mature vascular structures intermingled with endothelial cells and a varied i…