• Southern medical journal · Mar 1979

    Case Reports

    Ventilation-perfusion lung imaging in diaphragmatic paralysis.

    • S K Chopra and G V Taplin.
    • South. Med. J. 1979 Mar 1; 72 (3): 351-2.

    AbstractWe have described a patient with paralysis of the diaphragm, in whom dyspnea, hypoxemia, and hypercapnia increased when he changed from the upright to the supine position. Ventilation (V) and perfusion (P) images of the right lung appeared to be normal and remained nearly the same in the upright and supine positions. In contrast, V and P images of the left lung were smaller than those of the right lung in the upright position and decreased further in the supine position. In addition, the ventilation image of the left lung was much smaller than the perfusion image in both positions.

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