The patient has no cardiovascular comorbidities. Shown is bipolar stimulation of Brodmann area 25 (electrodes FF1-FF2) in patient 7 with simultaneous recording of (from top of machine display to bottom) systolic, diastolic, and mean arterial pressure and heart rate. Stimulation periods are clearly seen in the electroencephalogram record, as evidenced by electrical artifact. Systolic arterial pressure before stimulation onset was 120 to 122 mm Hg. Eight seconds after stimulation begins, systolic arterial pressure starts rapidly decreasing to 92 mm Hg. Twenty seconds after stimulation ends, systolic arterial pressure rapidly increases and then remains stable at 116 to 117 mm Hg, slightly lower than the baseline.
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