Medical term:
barotrauma
barotrauma
[bar″o-traw´mah]injury caused by pressure differences between the external environment and the inside of a bodily structure. Seen with structures of the ear, in high altitude flyers and others (see barotitis media and barosinusitis). In the lung it is caused by excessive airway pressures, resulting in extra-alveolar air, as in pneumothorax, pneumomediastinum, or pneumoperitoneum.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
bar·o·trau·ma
(băr'ō-traw'mă),A term previously used to describe injury to the middle ear or paranasal sinuses, resulting from imbalance between ambient pressure and that within the affected cavity. Now mostly used to refer to lung injury due to pressure such as occurs when a patient is on a ventilator and is subjected to high airway pressure (pulmonary barotrauma).
[G. baros, weight, + trauma]
Farlex Partner Medical Dictionary © Farlex 2012
barotrauma
ENTMiddle-ear injury which occurs while flying or scuba diving, caused by major disparities in air pressure between the middle ear and the nasopharynx—which is usually equilibrated by an open eustachian tube.
Clinical findings
Disequilibrium, disorientation, nausea, vomiting.
Sports medicine
Tissue injury due to the failure of a gas-filled body space—e.g., lungs, middle ear, sinuses—to equilibrate internal pressure to ambient pressure; because the cavities located within a bone cannot collapse, the space they occupy is filled with oedema in the mucosal membrane or haemorrhage. Barotrauma often results from rapid or extreme changes in external pressure—e.g., explosions.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
barotrauma
Audiology Middle ear injury caused by ↑ air pressure; trauma to the inner ear 2º to atmospheric pressure alteration, which occurs while flying or deep water diving, resulting in ↓ visual and proprioceptive cues due to ↓ vestibular input Clinical Disequilibrium, disorientation, N&V Sports medicine Tissue injury due to the failure of a gas-filled body space–eg, lungs, middle ear, sinuses, to equalize internal pressure to ambient pressure; barotrauma often results from rapid or extreme changes in external pressure–eg, explosions. See Atmospheric inner ear barotruma, Pulmonary barotrauma.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
bar·o·trau·ma
(bar'ō-traw'mă)1. Injury to the middle ear or paranasal sinuses, resulting from imbalance between ambient pressure and that within the affected cavity.
See also: aerotitis, barotitis media
See also: aerotitis, barotitis media
2. Lung injury that occurs when a patient is on a ventilator and is subjected toexcessive airway pressure (pulmonary barotrauma).
[G. baros, weight, + trauma]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
barotrauma
Injury resulting from changes in atmospheric (barometric) pressure as in aircraft flight. Barotrauma mostly affects the ear drums when there is obstruction to the EUSTACHIAN TUBES. The most serious forms of barotrauma result from explosive noise which can literally shake the delicate hair-cell transducers in the middle ear to pieces.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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