3.health asssessment.19.docx - Chapter 19 Assessing Thorax...

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Chapter 19 . Assessing Thorax and Lungs Thorax and Lung Assessment Thorax Extends from the base of the neck superiorly to the level of the diaphragm inferiorly Lungs, distal portion of the trachea, bronchi Thorax and Lung Assessment Sternum has three parts Manubrium, the body, xiphoid process 12 pairs of ribs - thoracic cage Vertical Reference Lines Anterior chest: mid-sternal, right and left mid-clavicular lines Posterior thorax: vertebral line, right and left scapular lines Lateral thorax: midaxillary line, anterior and posterior axillary lines Structure of Thorax and Lungs Mediastinum: central area in the thoracic cavity Lungs: two cone-shaped, elastic structures Pleura: thin, double-layered serous membrane that lines the thoracic cavity Lung Cancer Leading cause of death in U.S. and Europe Risk factors Cigarette smoking Genetic predisposition Exposure to toxins History of previous lung cancer
Gender Lung Cancer Risk Reduction Join smoking cessation program Stop smoking Healthy, low-cholesterol diet Limit exposure toxins Lung Cancer Prevalence Lower in Fiji than in other South Pacific countries African American men have higher incidence and mortality rates U.S. Hispanics have lower rates than non-Hispanic whites Teaching Opportunities to Reduce Risk of Lung Cancer Avoid smoking cigarettes or join a tobacco cessation program if you do smoke . Check for occupational or home exposure to asbestos or radon (have a radon check of your house or office if necessary .( Avoid secondhand smoke exposure .

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