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  2. Metoprolol - Wikipedia

    en.wikipedia.org/wiki/Metoprolol

    Metoprolol. Metoprolol, sold under the brand name Lopressor among others, is a medication used to treat high blood pressure, angina, and a number of conditions involving an abnormally fast heart rate. [4] It is also used to prevent further heart problems after myocardial infarction and to prevent headaches in those with migraines. [4]

  3. Inotrope - Wikipedia

    en.wikipedia.org/wiki/Inotrope

    Inotrope. An inotrope [help 1] or inotropic is a drug or any substance that alters the force or energy of muscular contractions. Negatively inotropic agents weaken the force of muscular contractions. Positively inotropic agents increase the strength of muscular contraction. The term inotropic state is most commonly used in reference to various ...

  4. Beta blocker - Wikipedia

    en.wikipedia.org/wiki/Beta_blocker

    Beta blocker. Skeletal formula of propranolol, the first clinically successful beta blocker. Beta blockers, also spelled β-blockers, are a class of medications that are predominantly used to manage abnormal heart rhythms ( arrhythmia ), and to protect the heart from a second heart attack after a first heart attack ( secondary prevention ). [1]

  5. Discovery and development of beta-blockers - Wikipedia

    en.wikipedia.org/wiki/Discovery_and_development...

    The discovery of β-blockers reaches back to more than 100 years ago, when early investigators came up with the idea that catecholamines were binding selectively to receptor-like structures and that this was the cause of their pharmacological actions. [3] In 1948, Raymond P. Ahlquist published a seminal paper concluding his findings, that there ...

  6. Antiarrhythmic agent - Wikipedia

    en.wikipedia.org/wiki/Antiarrhythmic_agent

    Antiarrhythmic agents, also known as cardiac dysrhythmia medications, are a class of drugs that are used to suppress abnormally fast rhythms ( tachycardias ), such as atrial fibrillation, supraventricular tachycardia and ventricular tachycardia . Many attempts have been made to classify antiarrhythmic agents.

  7. Sympatholytic - Wikipedia

    en.wikipedia.org/wiki/Sympatholytic

    Sympatholytic. A sympatholytic ( sympathoplegic) drug is a medication that opposes the downstream effects of postganglionic nerve firing in effector organs innervated by the sympathetic nervous system (SNS). [1] They are indicated for various functions; for example, they may be used as antihypertensives.

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