Research Article

Cardiovascular Autonomic Response to Amlodipine in Primary Hypertension

Figure 1

Central sympathetic response alpha (alpha SC), central sympathetic response beta (beta SC) obtained during mental stress, and peripheral sympathetic response alpha (alpha SP) obtained on hand grip test. Parameters were measured before and after treatment by amlodipine and expressed as mean ± SE; **: 𝑃 < 0 . 0 1 .
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