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Clinical Group

Archives of Clinical Hypertension

    Abstract Open Access
    Mini Review PTZAID: ACH-3-114

    Mechanisms involved in regulation of Systemic Blood Pressure

    Peysh A Patel* and Noman Ali

    Regulation of the circulatory system to maintain a constant arterial pressure is critical in ensuring adequate perfusion to meet metabolic requirements of tissues. Blood pressure (BP) can be considered in the context of Ohm’s law, whereby BP (analogous to voltage) is directly proportional to the product of cardiac output (current) and total vascular resistance (TPR). Acute regulatory mechanisms are coordinated in the cardiovascular control centres in the brainstem, which are themselves infl uenced by impulses from other neural centres in addition to sensors both intrinsic and extrinsic to the circulation. However, certain organs such as the heart, kidneys and brain have the ability to coordinate blood flow locally, i.e. autoregulate. This enables alterations in regional perfusion without perturbations of BP. This mini-review provides an exploratory discussion of neural and humoral mechanisms that underpin regulation of systemic BP.

    Published on: Jun 22, 2017 Pages: 16-20

    Full Text PDF Full Text HTML DOI: 10.17352/ach.000014

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