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Blood pressure and heart rate were recorded in 37 patients with cardiac disease while they were resting quietly and talking. Heart rate, systolic blood pressure, and diastolic blood pressure were all significantly greater while the patients were speaking than while they were resting silently. In addition, ventricular and atrial arrhythmias were more frequent while they were talking than while they were quiet. Higher resting systolic blood pressure levels also were associated with larger blood pressure increases while the patients were speaking. Older patients exhibited significantly greater systolic pressure increases while talking than younger patients. Therapeutic doses of antihypertensive medications, including beta-blockers, calcium channel blockers, and diuretics did not block the heart rate and blood pressure increases while the patients were talking. These findings suggest that more attention needs to be paid to the hemodynamic consequences of communication in patients with coronary heart disease. Coupled with previous research findings, these data also suggest that clinicians need to attend to verbal communications during routine diagnostic procedures for evaluating cardiovascular function.
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