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Figure 5 | Cardiovascular Ultrasound

Figure 5

From: Cerebrovascular mental stress reactivity is impaired in hypertension

Figure 5

Representative examples of carotid artery diameter in a normal and a hypertensive subject in response to nigtroglycerin. Carotid artery diameter increased after mental stress as well as after nitroglycerin compared to baseline in the normal subject (top panels). In the hypertensive subject carotid artery diameter showed no change in response to mental stress but increased after administration of nitroglycerin (bottom panels). Carotid artery diameter was an average of 10 measurements at the onset of QRS complex.

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