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Tag George K. Dresser MD PhD FRCPC

Alpha Antagonists

Questions 1 How do alpha adrenergic receptors contribute to blood pressure regulation? Alpha adrenergic receptors are G protein coupled receptors (GPCR) that are found in various locations in the human body. In the context of hypertension their most important peripheral…

Direct Vasodilators

Questions Direct smooth muscle arterial vasodilators 1 What is a direct smooth muscle arterial vasodilator? Direct arterial vasodilators are blood pressure–lowering medications characterized by a decrease in peripheral resistance mediated by relaxation of smooth muscle in arterioles. Two medications commonly…