Posted by zak from IP 188.8.131.52 on July 17, 2013 at 00:10:01:
hi everybody ,try this new q:
67 yo mn present with chronic dyspnea that worsens when he stands up.
He has no history of orthopnea or paroxismal nocturnal dysp.
ABG :Po2 75 with supine posture, and 45 with upright posture.
Which of the following in his medical history will be helpful in detecting the cause of his unusual dyspnea:
1 chronic alcohol use
2 exertional chest pain
3 previous malignancy
4 chronic asthma
5 exposure to TB
Post a Followup