![Effects of stimulation of the vagus nerve on the heart Effects of stimulation of the vagus nerve on the heart](https://digitalteachers.co.ug/wp-content/uploads/2022/09/Bbosa-Science.png)
Effects of stimulation of the vagus nerve on the heart
- Slows heart rate (negative chronotropic action on SAN).
- Reduces atrioventricular conduction (negative dromotropic action on AVN).
- Changes threshold for induction of atrial fibrillation (action on atrial conduction system).
- Reduces ventricular contractility (negative inotropic action on the ventricular myocardium).
- Lowers threshold for induction of ventricular arrhythmias (action on ventricular conduction system).
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Dr. Bbosa Science
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