Indication

Vagal reflex bradycardia

**Vagal reflex bradycardia** is a form of neurocardiogenic or baroreceptor-mediated bradyarrhythmia affecting the cardiovascular and autonomic nervous systems, characterized by an acute deceleration of heart rate in response to excessive parasympathetic (vagal) efferent discharge. Read more about Vagal reflex bradycardia

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Drugs that treat it

Common Vagal reflex bradycardia therapies.

Showing 1–9 of 37 drugs

GLYCOPYRROLATE

GLYCOPYRROLATE·VAGAL REFLEX BRADYCARDIA·+2
American Regent

GLYCOPYRROLATE

GLYCOPYRROLATE·VAGAL REFLEX BRADYCARDIA·+2
QUVA PHARMA, IN

GLYCOPYRROLATE

GLYCOPYRROLATE·VAGAL REFLEX BRADYCARDIA·+2
AMNEAL BIOSCIEN
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About Vagal reflex bradycardia.

**Vagal reflex bradycardia** is a form of neurocardiogenic or baroreceptor-mediated bradyarrhythmia affecting the cardiovascular and autonomic nervous systems, characterized by an acute deceleration of heart rate in response to excessive parasympathetic (vagal) efferent discharge.

It arises when physiological or pathological triggers—such as sudden increases in systemic arterial pressure stimulating carotid or aortic baroreceptors, visceral manipulation during surgical procedures, emotional distress, or vasovagal activation—elicit afferent signals to the medullary cardiovascular centers.

This process culminates in acetylcholine release onto cardiac muscarinic M2 receptors, depressing sinoatrial nodal automaticity and delaying or interrupting atrioventricular nodal conduction, which can produce marked sinus bradycardia, sinus pauses, or heart block.

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