Hamman's sign
From Wikipedia, the free encyclopedia
Hamman's sign is a crunching, rasping sound, synchronous with heartbeat, heard over the precordium in spontaneous mediastinal emphysema. Named for Johns Hopkins clinician Louis Hamman, M.D.
Hamman's sign is a crunching, rasping sound, synchronous with heartbeat, heard over the precordium in spontaneous mediastinal emphysema. Named for Johns Hopkins clinician Louis Hamman, M.D.