Ep-PAINE-nym



Hamman’s Sign

Other known aliasesHamman’s crunch

Definitionsystolic precordial crunching sound that occurs with each contraction of the heart that is best heard over precordium in the left lateral decubitus position

Clinical Significancethis is one of the classic physical examination findings in pneumomediastinum or pneumopericardium as a result of trauma to the bronchial tree, bleb rupture, or esophageal rupture.

HistoryNamed after Louis Virgil Hamman (1877-1946), an American internists who received his medical doctorate from Johns Hopkins University in 1902. He was considered one of the great physicians of his era and made significant progress in the management of tuberculosis as the head of the Phipps Tuberculosis Clinic at Johns Hopkins. He described this finding in patients with spontaneous mediastinal emphysema in two separate articles, first in 1939 in The Bulletin of Hopkins Hospital, and then in JAMA in 1945.


References

  • Firkin BG and Whitwirth JA.  Dictionary of Medical Eponyms. 2nd ed.  New York, NY; Parthenon Publishing Group. 1996.
  • Bartolucci S, Forbis P.  Stedman’s Medical Eponyms.  2nd ed.  Baltimore, MD; LWW.  2005.
  • Yee AJ, Pfiffner P. (2012).  Medical Eponyms (Version 1.4.2) [Mobile Application Software].  Retrieved http://itunes.apple.com.
  • Whonamedit – dictionary of medical eponyms. http://www.whonamedit.com
  • Up To Date. www.uptodate.com
  • Cohen AG. Hamman’s Crunch: An historical note. Bulletin of the New York Academy of Medicine. 1971; 47(9):1111-2. [pubmed]
  • Hamman, L. Spontaneous mediastinal emphysema. Bull. Hopkins Hosp. 1939;64:1-21.
  • Hamman L. Mediastinal emphysema: The Frank Billings Lecture. JAMA. 1945;128(1):1–6.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s