bobby
Forum Guru
Topics: 136
Posts: 569
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pneumothorax is a clinical diagnosis. confirm (if needed)with upright CXR
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if you haven't any charity in your heart, you have the worst kind of heart trouble.
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| schao1
Forum Newbie
Topics: 1
Posts: 2
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Either one. Ideally and expiratory upright. Upright puts the air at the apices and lateral spaces so it's easier to detect on an AP or PA. Expiration decreases the lung volume, thereby, 1. slightly increases the ptx to lung vol. ratio so the ptx is better visualized and 2. lung will increase in density a little bit so there is more contrast between the lung parenchyma and ptx.
peace out.
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