A&E II Exam 1 QUESTIONS WITH COMPLETE SOLUTIONS
What is the difference between pneumothorax, tension pneumothorax, and hemothorax? correct answer: pneumothorax = air or gas in pleural space causing lung collapse (but some air is escaping on expiration) tension pneumothorax = air or gas in the lungs THAT CANNOT EXIT ON EXPIRATION hemothorax = blood in plural space (hemopneumothorax = blood and air) In a tension pneumothorax, air cannot escape: (+/-) pressure compresses makes lungs not be able to inflate How does this affect venous return and cardiac output correct answer: POSITIVE pressure on lungs so they can't inflate pressure compresses blood vessels and , DECREASES VENOUS RETURN and DECREASES CARDIAC OUTPUT which can result in death if untreated What are some diagnosis procedures for a hemothorax/pneumothorax? correct answer: ABG CXR Thoracentesis What happens anatomically with a tension pneumothorax? correct answer: tracheal deviation (trachea pushed to unaffected side) heart moved slightly toward unaffected side -- lots of pressure on heart so can't expand and contact well (low CO)
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aampe ii exam 1 questions with complete solutions
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