Medical dictionary. 2011.
Second-degree atrioventricular block — Classification and external resources ICD 10 I44.1 ICD 9 426.12 … Wikipedia
second degree heart block — the partial form of heart block, in which some impulses are not conducted; often used specifically for second degree atrioventricular block. Called also partial heart b … Medical dictionary
Third-degree atrioventricular block — Classification and external resources ICD 10 I44.2 … Wikipedia
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
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
First degree AV block — Infobox Disease Name = First degree AV block Caption = DiseasesDB = 10477 ICD10 = ICD10|I|44|0|i|30 ICD9 = ICD9|426.11 ICDO = OMIM = MedlinePlus = eMedicineSubj = emerg eMedicineTopic = 233 MeshID = First degree AV block or PR prolongation is a… … Wikipedia
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
2:1 AV block — second degree atrioventricular block in which conduction of every other impulse through the atrioventricular conduction system is prevented, resulting in a 2:1 ratio of atrial to ventricular depolarizations … Medical dictionary
