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  2. Left anterior descending artery - Wikipedia

    en.wikipedia.org/wiki/Left_anterior_descending...

    The LAD gives off two types of branches: septals and diagonals. Septals originate from the LAD at 90 degrees to the surface of the heart, perforating and supplying the anterior 2/3 of the interventricular septum. Diagonals run along the surface of the heart and supply the lateral wall of the left ventricle and the anterolateral papillary muscle.

  3. Coronary artery bypass surgery - Wikipedia

    en.wikipedia.org/wiki/Coronary_artery_bypass_surgery

    Echocardiography can quantify heart functioning by measuring, for example, enlargement of the left ventricle, the ejection fraction, and the situation of the heart valves. The most accurate ways to detect CAD are the coronary angiogram and the coronary CT angiography. [4] An angiogram can provide detailed anatomy of coronary circulation and ...

  4. Off-pump coronary artery bypass - Wikipedia

    en.wikipedia.org/wiki/Off-pump_coronary_artery...

    Historically, during bypass surgeries, the heart is stopped and a heart-lung machine takes over the work of the heart and lungs. When a cardiac surgeon chooses to perform the CABG procedure off-pump (OPCAB) the heart is still beating while the graft attachments are made to bypass a blockage.

  5. 'Supernatural' star Mark Sheppard says he had 6 heart ... - AOL

    www.aol.com/news/supernatural-star-mark-sheppard...

    Widowmaker heart attacks can be caused by cholesterol that builds up in the LAD, leading to a blockage, or a blood clot that blocks the LAD, according to the Cleveland Clinic.

  6. Vascular bypass - Wikipedia

    en.wikipedia.org/wiki/Vascular_bypass

    Acute graft occlusion is the occlusion (blockage) of a vascular bypass graft shortly after the bypass is performed. Its causes, which are distinct from those of chronic graft occlusion, include technical failure (e.g. anastomotic stricture, incomplete valve lysis in non-reversed vein) and thrombosis.

  7. 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°.