Mindblown: a blog about philosophy.
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Tonometry
Measurement of tension or intraocular pressure. A measurement of pressure inside an organ, especially the eye. Diagnostic procedure to detect increased intraocular pressure indicative of glaucoma. The use of an instrument (tonometer) to measure the fluid pressure inside the eyeball, mainly to test for glaucoma, a condition in which fluid pressure is elevated. A test…
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Thyrotropin
Thyroid stimulating hormone. A hormone secreted by the pituitary gland that is responsible for controlling the output of thyroid hormones by the thyroid gland. In hypothyroidism caused by disease of the thyroid gland, TSH concentrations are elevated in the blood, and in hyperthyroidism TSH concentrations are low. Hormone produced and released by the pars distalis…
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Thyroidectomy
Surgical removal of the thyroid gland. Partial or total excision of the thyroid gland. A surgical operation to remove all or part of the thyroid gland. Removal of the thyroid gland. Surgical removal of the thyroid gland, usually done to remove tumors or to treat hyperthyroidism that does not respond to other therapies. Partial or…
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Thoracostomy
An incision in the chest wall for the purpose of drainage; a chest tube may be inserted for drainage of air or fluid from the pleural space. Incision into the chest wall, usually followed by insertion of a tube between the pleurae and a system for draining fluid from that space. The surgical procedure of…
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Thallium scan
A cardiac stress test using intravenous thallium injection to diagnose ischemia and coronary artery disease.
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Tetralogy of Fallot
A congenital cardiac condition. A combination of congenital defects that include an enlarged right ventricle of the heart, overriding aorta and pulmonary valve stenosis that prevents the blood from receiving sufficient oxygen. A disorder of the heart which makes a child’s skin blue. Congenital heart defect characterized by four anomalies: pulmonary stenosis, ventricular septal defect,…
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Tamponade
Compression of a part by pressure or a collection of fluid. A general term indicating compress, cardiac tamponade. The action of putting a tampon into a wound. Abnormal pressure on part of the body. Cessation of the flow of blood to an organ or other part of the body by pressure, as in cardiac tamponade,…
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Syncytial virus
A type of minute parasitic microorganism.
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Sulfonylurea
Oral hypoglycemic agent that stimulates the pancreas to produce insulin. Any of a group of drugs which lower blood sugar, used in the treatment of diabetes. Any of a group of drugs, including tolazamide and tolbutamide, that reduce the level of glucose in the blood and are used in the treatment of diabetes mellitus. One…
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Substernal retraction
Condition in which the chest wall under the sternum sinks in with each respiration.
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