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Digital microvascular response during the different phases of the mental stress task assessed as peripheral arterial tonometry (PAT) ratio in patients with and without mental stress–induced myocardial ischemia (MSIMI). The PAT ratio was calculated as the ratio of pulse wave amplitude during the specified phase of the mental stress task compared with the resting baseline. P‐value compares the PAT ratio at each phase between subjects with and without MSIMI.
