http://usmleforum.forumotion.com/cs-cases-f29/-t1.htm Fri, 12 Jun 2009 04:37:51 GMT 10 http://i89.servimg.com/u/f89/13/99/71/35/12457310.gif http://usmleforum.forumotion.com/cs-cases-f29/-t1.htm http://usmleforum.forumotion.com/cs-cases-f29/thoracentesis-yields-straw-colored-fluid-t33.htm rock82 A 67-year-old man comes to the physician because of a 2-month history of progressive shortness of breath. He has had a 4.5-kg (10-lb) weight loss over the past 4 months. He has not had chest pain. He has congestive heart failure treated with furosemide, digoxin, and enalapril. He has smoked two packs of cigarettes daily for 30 years. He appears alert and is in no acute distress. His temperature is 37.2 C (99 F), blood pressure is 140/85 mm Hg, pulse is 84/min, and respirations are 18/min. Examination ... CS Cases Fri, 12 Jun 2009 04:37:51 GMT http://usmleforum.forumotion.com/cs-cases-f29/thoracentesis-yields-straw-colored-fluid-t33.htm#35 http://usmleforum.forumotion.com/cs-cases-f29/thoracentesis-yields-straw-colored-fluid-t33.htm