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Folic acid and B vitamins may yet be proven to have a positive role through decreasing HC levels, but enthusiasm for such an approach is no longer appropriate.
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These data should force us to look at factors other than the traditional variables we have used to assess risks among patients with a history of ventricular arrhythmias.
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Mild, perivalvular regurgitation cannot be used as a diagnostic criteria for prosthetic valve endocarditis.
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Reflex tachycardia, during a Valsalva maneuver, is a sign of normal LV filling.
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At this time, BNP seems to be a useful initial test that should not be repeated during short hospital stays.
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Mitral Doppler E/Ea correlates better with PCWP than BNP and is more specific for predicting PCWP > 15 mm Hg.
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