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Metoprolol is a beta blocker, or an antagonist of the β-adrenergic receptors. It is specifically a selective antagonist of the β 1-adrenergic receptor and has no intrinsic sympathomimetic activity. [37] Metoprolol exerts its effects by blocking the action of certain neurotransmitters, specifically adrenaline and noradrenaline.
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Therefore, blocking β 2-adrenoceptors lowers plasma glucose. β 1-blockers have fewer metabolic side effects in diabetic patients; however, the fast heart rate that serves as a warning sign for insulin-induced low blood sugar may be masked, resulting in hypoglycemia unawareness. This is termed beta blocker-induced hypoglycemia unawareness ...
At some point before surgery a health care provider conducts a preoperative assessment to verify that a person is fit and ready for the surgery. [ 1 ] [ 2 ] For surgeries in which a person receives either general or local anesthesia, this assessment may be done either by a doctor or a nurse trained to do the assessment. [ 2 ]
The CDC released new COVID-19 vaccination guidelines for people 65 and up and those who are immunocompromised: Get two shots. Experts explain.
Methods of prevention include gradually decreasing the dose among those who wish to stop, though it is possible for symptoms to occur with tapering. [2] [6] [4] Treatment may include restarting the medication and slowly decreasing the dose. [2] People may also be switched to the long-acting antidepressant fluoxetine which can then be gradually ...
Similarly, doctors were preventing beriberi by replacing white rice with brown rice before they understood that the polishing process removed the grain's outer layers, which are rich in thiamine.
New RSV vaccines are now available to help prevent serious infection in people over 60. Doctors explain the RSV vaccine and its side effects in older adults.