Article Text
Images in cardiology
Clapping atrio-ventricular valves
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Footnotes
▸ An additional video is published online only. To view this file please visit the journal online (http://dx.doi.org/10.1136/heartjnl-2012-302710).
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Competing interests None.
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Patient consent Obtained.
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Provenance and peer review Not commissioned; internally peer reviewed.