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Atmospheric Pressure [ Ans: ] The force exerted by air at
any point on the earth's surface. Mean atmospheric
pressure at sea level is approx. 1000 millibars (100
kilopascals), give or take 5%
Empyema [ Ans: ] Collection of pus in the pleural space
Hemothorax [ Ans: ] Blood in the pleural cavity, usually
caused by chest injury
Intrapleural [ Ans: ] Situated within the pleura or pleural
cavity
Pleura [ Ans: ] Thin membrane that covers each half of the
thorax, surrounding and protecting the lung on that side
Pleural Cavity [ Ans: ] the space within each pleura, which
contains the lungs
Pleural Effusion [ Ans: ] Fluid in the pleural cavity, caused
by things like CHF, cancer, tuberculosis, and lung
infections
Pneumothrax [ Ans: ] Air in the pleural cavity, which cases
the lung to collapse. Causes include lung disease,
penetrating trauma, and certain medical procedures,
including ventilation and cardiopulmonary resuscitation.
, Valsalva Maneuver [ Ans: ] Holding the breath while
bearing down. This maneuver may be used for chest tube
removal to prevent air from re-entering the pleural space
The pleural space [ Ans: ] Normally filled with small
amount of serous fluid
Air or fluid in pleural space inhibits lung expansion and
breathing
Purpose of Chest Tube [ Ans: ] -Plastic catheter inserted
through the thorax
-Removes extra fluid and/or air and pus
-Commonly used after chest surgery and chest trauma
-Pneumothorax: air trapped in pleural space
-Hemothorax: blood trapped in pleural space
-Empyema: pus trapped in pleural space
Indications for Chest Tubes [ Ans: ] -Surgery
-Traumatic chest injuries: pneumothorax, hemothorax
-Pleural effusion (build-up of fluid between the pleura)
-Infection that causes pus build up