How does vagal maneuvres like carotid massage help in PSVT Sir?

How does vagal maneuvres like carotid massage help in PSVT Sir?

PSVT, as the name suggests, it’s supraventricular, impulses arising from and above the AV node, vagal manuoevers stimulte the vagus nerve(left and right), which supplies SA and AV node, this directly tackles sinus Tachycardia and junctional tachycardia by decreasing heart rate and inhibiting AV node and if there is an atrial Tachycardia, I don’t want the impulse to transfer through AV node and make the patient more prone to Ventricle Tachycardia or ventricular fibrillation, which is more danger, cause ventricle plays a vital role in giving the stroke volume to the whole body, regarding AVNRT and AVRT, AV node is the major issue here, cause if I block the AV node by vagal manuoevers, I break the circuit, everything’s cool, then.

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