
<radiology> Crackles heard in left lateral decubitus position, indicates (+) pneumomediastinum ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

a precordial crunching, clicking, or knocking sound, synchronous with each heart beat, heard on auscultation in such conditions as acute mediastinitis, pneumomediastinum, and pneumothorax. Called also Hamman murmur.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: ham′ăn Definitions: 1. a crunching, rasping sound, synchronous with heart beat, heard over the precordium and sometimes at a distance from the chest in mediastinal emphysema.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=81934
No exact match found.