atrioventricular block

См. также в других словарях:

• Atrioventricular block — Infobox Disease Name = Atrioventricular block Caption = DiseasesDB = ICD10 = ICD10|I|44|0|i|30 ICD10|I|44|3|i|30 ICD9 = ICD9|426.0 ICD9|426.1 ICDO = OMIM = MedlinePlus = eMedicineSubj = med eMedicineTopic = 189 MeshID = D006327 An… …   Wikipedia

• atrioventricular block — AV block impairment of conduction of cardiac impulses from the atria to the ventricles, usually due to a block in the atrioventricular junctional tissue (atrioventricular node, bundle of His, or bundle branches). It is generally subclassified as… …   Medical dictionary

• atrioventricular block — noun recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat • Syn: ↑heart block, ↑Adams Stokes syndrome, ↑Stokes Adams syndrome • Hypernyms: ↑cardiac arrhythmia, ↑arrhythmia …   Useful english dictionary

• Second-degree atrioventricular block — Classification and external resources ICD 10 I44.1 ICD 9 426.12 …   Wikipedia

• Third-degree atrioventricular block — Classification and external resources ICD 10 I44.2 …   Wikipedia

• third degree atrioventricular block — a third degree heart block due to total cessation of impulse conduction through the atrioventricular junctional tissue; no correspondence exists between atrial and ventricular activity, and ventricular asystole and death occur unless a… …   Medical dictionary

• second degree atrioventricular block — a second degree heart block due to partial impairment of impulse conduction through the atrioventricular junctional tissue; impulses intermittently fail to reach the ventricles (dropped beats). It occurs as two types: type I is Wenckebach or… …   Medical dictionary

• first degree atrioventricular block — a first degree heart block due to a block in the atrioventricular junctional tissue; the rate of conduction of impulses from the atria to the ventricles is slowed, resulting in regular electrocardiographic P–R intervals of greater than 0.21… …   Medical dictionary

• complete atrioventricular block — third degree atrioventricular b …   Medical dictionary

• high grade atrioventricular block — either second or third degree atrioventricular b …   Medical dictionary

• block — 1. To obstruct; to arrest passage through. 2. A condition in which the passage of an electrical impulse is arrested, wholly or in part, temporarily or permanently. 3. SYN: atrioventricular b.. [Fr. bloquer] alveolocapillary b. the presence of… …   Medical dictionary