Presence of an abnormal amount of fluid in the vessels or passages of a part or organ; especially, of blood due either to increased influx or to an obstruction to outflow. SEE ALSO: hyperemia. [L. congestio, a bringing together, a heap, fr. con-gero, pp. -gestus, to bring together]
- active c. c. due to an increased flow of arterial blood to a part.
- brain c. increased volume of the intravascular compartment of the brain; often associated with brain swelling. SYN: encephalemia.
- functional c. hyperemia occurring during functional activity of an organ. SYN: physiologic c..
- hypostatic c. c. due to pooling of venous blood in a dependent part. SYN: hypostasis (2).
- passive c. c. caused by obstruction or slowing of the venous drainage, resulting in partial stagnation of blood in the capillaries and venules.
- physiologic c. SYN: functional c..
- venous c. overfilling and distention of the veins with blood as a result of mechanical obstruction or right ventricular failure.

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con·ges·tion kən-'jes(h)-chən n an excessive accumulation esp. of blood or mucus <vascular \congestion> <nasal \congestion>

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an accumulation of blood within an organ, which is the result of back pressure within its veins (for example congestion of the lungs and of the liver occurs in heart failure). Congestion may be associated with oedema (accumulation of fluid in the tissues). It is relieved by treatment of the cause.

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con·ges·tion (kən-jesґchən) [L. congestio, from congerere to heap together] excessive or abnormal accumulation of fluid, as of blood in a part. Cf. hyperemia. congestive adj

Medical dictionary. 2011.

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, (of blood)

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  • congestion — [ kɔ̃ʒɛstjɔ̃ ] n. f. • v. 1400; lat. congestio, de congerere « accumuler » 1 ♦ Afflux de sang (dans une partie du corps). ⇒ hyperémie, pléthore, tension, turgescence. Congestion cérébrale : coup de sang, transport au cerveau. ⇒ apoplexie,… …   Encyclopédie Universelle

  • Congestion — generally means excessive crowding. Congestion may refer to: congestion in heart failure, a term to describe low cardiac output seen in heart failure. Nasal congestion, the blockage of nasal passages due to swollen membranes Network congestion,… …   Wikipedia

  • Congestion — Con*ges tion (?; 106), n. [L. congestio: cf. F. congestion.] 1. The act of gathering into a heap or mass; accumulation. [Obs.] [1913 Webster] The congestion of dead bodies one upon another. Evelyn. [1913 Webster] 2. (Med.) Overfullness of the… …   The Collaborative International Dictionary of English

  • congestión — sustantivo femenino 1. Área: medicina Acumulación excesiva de sangre u otro líquido en alguna parte del cuerpo: El esfuerzo le produjo la congestión del rostro. La congestión nasal que tengo no me deja respirar. 2. Aglomeración de vehículos o… …   Diccionario Salamanca de la Lengua Española

  • congestión — f. sintomat. Acumulación anormal o excesiva de sangre en los vasos de un órgano. Se manifiesta por trastornos de su función y un aumento de volumen. La congestión puede ser activa o pasiva; la activa es el resultado de una irritación o… …   Diccionario médico

  • Congestion — (v. lat., Congestĭo), 1) ein Zusammenfluß; 2) (Med.), Andrang; C. humorum, Säfteandrang; C. sanguinis, Blutandrang nach einem bestimmten Organe hin u. zwar meist nach solchen Organen, welche schon an u. für sich blutreich, mit den feinsten… …   Pierer's Universal-Lexikon

  • congestion — CONGESTION. s. f. Terme de Médecine. Amas d humeurs qui se fait lentement dans quelque partie solide du corps. La congestion diffère de la fluxion, en ce que celle ci se fait plus promptement et avec inflammation …   Dictionnaire de l'Académie Française 1798

  • congestion — early 15c., action of gathering together, from M.Fr. congestion (14c.), from L. congestionem (nom. congestio), noun of action from pp. stem of congerere (see CONGEST (Cf. congest)). Medical sense is from 1630s; meaning a crowding together of… …   Etymology dictionary

  • Congestion — Congestion, heißt der heftige, nicht naturgemäße Andrang gewisser Säfte, namentlich des Blutes nach irgend einem Theile des Körpers. wodurch eine Anhäufung derselben entsteht und so eine Krankheit veranlaßt wird …   Damen Conversations Lexikon

  • Congestion — Congestion, Blutandrang, Blutanhäufung, nennt man im allgemeinen die abnorme Ueberfüllung eines Organs mit Blut oder andern Bildungssäften, besonders aber die Anhäufung vom Blut in den Haargefäßen (Hyperämie). Congestionen können im gefunden… …   Herders Conversations-Lexikon

  • congestion — index confusion (turmoil), obstruction, plethora Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

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