Figure 216-7

Increases in MBF in response to cold pressor testing and to intravenous dipyridamole in nonsmokers and long-term smokers (shaded bars). Note the comparable increases in MBF in response to dipyridamole in both groups. Also, cold pressor testing produced comparable increases in the rate pressure product (RPP), while the increase in MBF in Long-term smokers was markedly attenuated as compared with normal individuals.

(Data taken from Campisi et al.)

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