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To the Editor.—
Having been for many years a paradox watcher, especially of "paradoxes of pulsus paradoxus," I feel compelled to comment on the EDITORIAL of your senior editor, Samuel Vaisrub, MD, on "Pulsus Paradoxus Pulmonale" (228:1030, 1974). First, an inspiratory fall in peak systolic pressure is not a paradox (that is, it is not contrary to nature), but a
Cayler GC. Pulse Paradoxes. JAMA. 1974;229(10):1284. doi:10.1001/jama.1974.03230480012008
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