Is the damage to the organs caused by hypertension offset by a slower heartbeat?

As far as I understand, hypertension is dangerous primarily because of the slow damage to the organs which have to sustain the elevated pressure. But would this damage be smaller if the normal heartbeat was slower than the average? For example, pressure of 140/90 with the heartbeat of 50 would be less dangerous than pressure of 140/90 with the heartbeat of 70? Right?

Written By Nurse007

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  • cardiophile January 18, 2009, 9:36 am

    When heart rate is low, systolic pressure rises as a compensatory mechanism. Diastolic pressure comes down when diastole is prolonged as in slow heart rate. The mean arterial pressure may remain almost same due to these changes.

    The product of systolic pressure into heart rate is known as double product. The workload of the heart depends on the double product. So a person with reduced blood supply to the heart producing angina pectoris will fare better with a lower heart rate for the same systolic pressure as the workload of his heart will be lower. This done therapeutically by giving beta receptor blocking drugs to reduce the heart rate in persons with angina pectoris. But these drugs also lower the systolic pressure, further lowering the work load.

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