Translations:Calcium channel blocker/34/en: Difference between revisions

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Message definition (Calcium channel blocker)
Unlike [[beta blocker]]s, calcium channel blockers do not decrease the responsiveness of the heart to input from the [[sympathetic nervous system]]. Since moment-to-moment blood pressure regulation is carried out by the sympathetic nervous system (via the [[baroreceptor reflex]]), calcium channel blockers allow blood pressure to be maintained more effectively than do beta blockers. However, because dihydropyridine CCBs result in a decrease in blood pressure, the baroreceptor reflex often initiates a reflexive increase in sympathetic activity leading to increased heart rate and contractility.

Unlike beta blockers, calcium channel blockers do not decrease the responsiveness of the heart to input from the sympathetic nervous system. Since moment-to-moment blood pressure regulation is carried out by the sympathetic nervous system (via the baroreceptor reflex), calcium channel blockers allow blood pressure to be maintained more effectively than do beta blockers. However, because dihydropyridine CCBs result in a decrease in blood pressure, the baroreceptor reflex often initiates a reflexive increase in sympathetic activity leading to increased heart rate and contractility.