crunching, rasping sound, synchronous with the heartbeat, heard over the precordium in spontaneous mediastinal emphysema produced by the heart beating against air-filled tissues.' name='description'> Hamman's sign - definition and meaning
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Hamman's sign

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine A crunching, rasping sound, synchronous with the heartbeat, heard over the precordium in spontaneous mediastinal emphysema produced by the heart beating against air-filled tissues.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Named after Johns Hopkins clinician Louis Hamman.

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