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  2. Sgarbossa's criteria - Wikipedia

    en.wikipedia.org/wiki/Sgarbossa's_criteria

    Sgarbossa's criteria are a set of electrocardiographic findings generally used to identify myocardial infarction (also called acute myocardial infarction or a "heart attack") in the presence of a left bundle branch block (LBBB) or a ventricular paced rhythm. [1] Myocardial infarction (MI) is often difficult to detect when LBBB is present on ECG ...

  3. 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 .

  4. Bundle branch block - Wikipedia

    en.wikipedia.org/wiki/Bundle_branch_block

    Tachycardia-dependent bundle branch block; A simple way to quickly differentiate between the two types is to note the deflection of the QRS complex in the V1 lead. A (V1) QRS segment deflected down indicates left bundle branch block, while a deflection up indicates right bundle branch block. In both types, the QRS is wide (> 0.12 seconds).

  5. Left axis deviation - Wikipedia

    en.wikipedia.org/wiki/Left_axis_deviation

    The hexaxial reference system is a diagram that is used to determine the heart's electrical axis in the frontal plane.. In electrocardiography, left axis deviation (LAD) is a condition wherein the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°.

  6. List of medical abbreviations: L - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    LBBB: left bundle branch block: LBO: large bowel obstruction: LBP: low back pain: LBW: low birth weight: LCA: left coronary artery: LCHAD: long-chain 3-hydroxyacyl-coenzyme A dehydrogenase LCIS: lobular carcinoma in situ: LCM: lymphocytic meningitis: LCMV: lymphocytic choriomeningitis virus: LCP: Liverpool Care Pathway for the Dying Patient ...

  7. What does a faint line on a rapid COVID-19 test mean? - AOL

    www.aol.com/faint-line-covid-19-test-225851470.html

    When it's time to take a test, experts want you to know what the line on your test actually means and whether a darker or lighter positive line on a COVID-19 test can tell you anything about your ...

  8. Third-degree atrioventricular block - Wikipedia

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

    Third-degree heart block may also be congenital and has been linked to the presence of lupus in the mother. [7] It is thought that maternal antibodies may cross the placenta and attack the heart tissue during gestation. The cause of congenital third-degree heart block in many patients is unknown.

  9. Bundle branches - Wikipedia

    en.wikipedia.org/wiki/Bundle_branches

    The bundle branches were separately described by Retzer and Braeunig as early as 1904, but their physiological function remained unclear and their role in the electrical conduction system of the heart remained unknown until Sunao Tawara published his monograph on Das Reizleitungssystem des Säugetierherzens (English: The Conduction System of the Mammalian Heart) in 1906. [4]

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