Recent Examples of truce from the Web. 1  And Cersei, inevitably, sets her own trap: forging a false truce with Daenerys, but secretly plotting to hire the Golden Company and retake the south of Westeros while Daenerys and her dragons are busy with the White Walkers. â , GQ, Game of Thrones, 28 Aug. 2017.
Heart problems-for a patient with heart problems beta-blockers can reduce the workload for the heart; so that it does not have to work so hard to supply all parts of the body with oxygen-rich blood. For people with angina, heart failure, or after a heart attack, reducing the heart's workload is crucial.
Uses. Beta blockers are widely known as beta-adrenergic blocking agents, these block adrenaline from binding to the beta receptors on the nerves. Beta blockers are used primarily in the treatment of cardiac arrhythmia and high blood pressure.eta Receptors. To best explain what a beta blocker does, you need to understand a little bit about the nervous system and what beta receptors are. A beta receptor is a protein molecule that processes specific messages carried by the central nervous system and various hormones.