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  2. Left bundle branch block - Wikipedia

    en.wikipedia.org/wiki/Left_bundle_branch_block

    Left bundle branch block (LBBB) is a conduction abnormality in the heart that can be seen on an electrocardiogram (ECG). [1] In this condition, activation of the left ventricle of the heart is delayed, which causes the left ventricle to contract later than the right ventricle .

  3. Bundle branch block - Wikipedia

    en.wikipedia.org/wiki/Bundle_branch_block

    Right bundle branch block, incomplete (IRBBB) or complete (CRBBB) Left bundle branch block, incomplete (iLBBB) or complete (cLBBB) The left bundle branch block can be further sub classified into: Left anterior fascicular block. In this case only the anterior half of the left bundle branch (fascicle) is involved; Left posterior fascicular block ...

  4. Heart block - Wikipedia

    en.wikipedia.org/wiki/Heart_block

    Infra-Hisian blocks may occur at the left or right bundle branches ("bundle branch block") or the fascicles of the left bundle branch ("fascicular block" or "Hemiblock"). SA and AV node blocks are each divided into three degrees, with second-degree blocks being divided into two types (written either "type I or II" or "type 1 or 2").

  5. Intraventricular block - Wikipedia

    en.wikipedia.org/wiki/Intraventricular_block

    An intraventricular block is a heart conduction disorder — heart block of the ventricles of the heart. [1] An example is a right bundle branch block, right fascicular block, bifascicular block, trifascicular block. [2] [3]

  6. Left anterior fascicular block - Wikipedia

    en.wikipedia.org/wiki/Left_anterior_fascicular_block

    Left anterior fascicular block (LAFB) is an abnormal condition of the left ventricle of the heart, [1] [2] related to, but distinguished from, left bundle branch block (LBBB). It is caused by only the left anterior fascicle – one half of the left bundle branch being defective. It is manifested on the ECG by left axis deviation.

  7. Left axis deviation - Wikipedia

    en.wikipedia.org/wiki/Left_axis_deviation

    Left axis deviation is a border deviation in athletes, which, if it is combined with another borderline feature such as right bundle branch block, requires further investigation in view of increased risk of sudden cardiac death. [4]

  8. Progressive cardiac conduction defect - Wikipedia

    en.wikipedia.org/wiki/Progressive_cardiac...

    Progressive cardiac conduction defect (PCCD) is a hereditary cardiac condition marked by a progressive delay in impulse conduction via the His-Purkinje system, resulting in right or left bundle branch block (RBBB or LBBB), syncope, and occasionally sudden cardiac death. [1]

  9. First-degree atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/First-degree_atrio...

    A subset of individuals with the triad of first-degree heart block, right bundle branch block, and either left anterior fascicular block or left posterior fascicular block (known as trifascicular block) may be at an increased risk of progression to complete heart block. [8]