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  • Heart
    Benign early repolarization, often shortened to simply early repolarization, is a shape on the output of an electrocardiogram reading, also called J-waves or J-point elevation...

    Asked by tiburtius on via web

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  • Heart
    The pericardium is a closed, fluid-filled sac that surrounds the heart and the attached arteries and veins. It serves several functions, including acting to reduce friction between the walls of the...

    Asked by lro1979 on via web

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