COPD Imaging

COPD Imaging - tion with flattened diaphragms and vascular...

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Imaging Plain radiographs may show hyperinflation with flattening of the diaphragm or peripheral artery deficiency in most cases. A high-resolution reconstruction algorithm CT of the chest is more sensitive in diagnosing emphysema. Doppler echocardiography estimates pulmonary artery pres- sure if pulmonary hypertension is suspected. In emphysema, chest radiograph shows hyperinfla-
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Unformatted text preview: tion with flattened diaphragms and vascular markings are diminished. Parenchymal bullae or subpleural blebs are pathognomonic of emphysema. In bronchitis, chest radiograph shows in-creased interstitial markings (“dirty lungs”), especially at bases, and the diaphragm is not flattened. Nonspecific perobronchial and perivascular markings are seen with chronic bronchitis....
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