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► Beta blockers, discovered by Dr. James Black in the 1960s, earned him a Nobel Prize in 1988. 🏆 These drugs prove useful by reducing heart rate, blood pressure, and heart contractility. They work by blocking some actions of the autonomic nervous system, particularly the sympathetic nervous system, responsible for the "fight-or-flight" response. ⚙️ But why are they efficient in case of heart failure? Santiago will help us understand their significant benefits on this cardiological condition.

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