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Figure 1 Carotid baroreceptor stimulation. Examples showing the effects of neck suction (NS) (–40 mm Hg, bottom) on blood pressure (BP) (top), and heart rate (HR) (center) in a placebo- (left) and in a polyunsaturated fatty acid (PUFA)-treated (right) patient both before (pre) and after (post) treatment. Note the modest responses to carotid baroreceptor stimulation observed in both patients at the initial evaluation and the clearcut depressor and bradycardic responses after 4 months of treatment with PUFA but not with placebo.
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