prothrombin ratio

См. также в других словарях:

• Prothrombin time — The prothrombin time (PT) and its derived measures of prothrombin ratio (PR) and international normalized ratio (INR) are measures of the extrinsic pathway of coagulation. They are used to determine the clotting tendency of blood, in the measure… …   Wikipedia

• ratio — An expression of the relation of one quantity to another ( e.g., of a proportion or rate). SEE ALSO: index (2), quotient. [L. r. (ration ) a reckoning, reason, fr. reor, pp. ratus, to reckon, compute] absolute terminal innervation r. the number… …   Medical dictionary

• International normalized ratio — A system, commonly called the INR, established by the World Health Organization (WHO) and the International Committee on Thrombosis and Hemostasis for reporting the results of blood coagulation (clotting) tests. All results are standardized using …   Medical dictionary

• Coagulation screen — A combination of screening laboratory tests, designed to provide rapid non specific information, which allows an initial broad categorization of haemostatic problems. The basic screen consists of: platelet count bleeding time for platelet… …   Wikipedia

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

• Prothrombinase — The prothrombinase complex consists of the serine protease, Factor Xa, and the protein cofactor, Factor Va. The complex assembles on negatively charged phospholipid membranes in the presence of calcium ions. The prothrombinase complex catalyzes… …   Wikipedia

• index — 1. [NA] SYN: i. finger. 2. A guide, standard, indicator, symbol, or number denoting the relation in respect to size, capacity, or function, of one part or thing to another. SEE ALSO: quotient, r …   Medical dictionary

• Coagulation — This article is about blood clotting. For other meanings see Coagulation (disambiguation). Coagulation is a complex process by which blood forms clots. It is an important part of hemostasis, the cessation of blood loss from a damaged vessel,… …   Wikipedia

• Vitamin K — has also been used as a slang term for ketamine, an unrelated anaesthetic. Vitamin K1 (phylloquinone). Both forms of the vitamin contain a functional naphthoquinone ring and an aliphatic side chain. Phylloquinone has a phytyl side chain …   Wikipedia

• Warfarin — This article is about the drug with the brandname Coumadin. For the anticoagulant rodenticide poisons often called coumarins or coumadins , see 4 hydroxycoumarins. Warfarin …   Wikipedia

• Paracetamol hepatotoxicity — is injury to the liver resulting from excessive use of the analgesic drug paracetamol (called acetaminophen in the United States). It is the most common cause of acute liver failure in the United States and the United Kingdom.Damage to the liver …   Wikipedia