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A vagal maneuver is an action used to stimulate the parasympathetic nervous system by activating the vagus nerve.The vagus nerve is the longest nerve of the autonomic nervous system and helps regulate many critical aspects of human physiology, including heart rate, blood pressure, sweating, and digestion through the release of acetylcholine.
Baseline vagal tone can be used either as a potential predictor of behavior or as a signal of mental health (particularly emotion regulation, anxiety, and internalizing and externalizing disorders). [28] [29] The polyvagal theory by Porges is an influential model of how the vagal pathways respond to novelty and to stressful external stimuli.
Vagal maneuvers (such as carotid sinus massage or Valsalva's maneuver) to slow the rate and identification of P waves; administer AV blockers (e.g., adenosine, verapamil) to identify atrial flutter with 2:1 block; Heart sounds should also be listened to. [13]
With that vagus nerve integration, it speeds up your bowel or slows it down and kind of sends extra signals to modulate those internal pacemakers, is usually what we call them,” she says.
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Vagal maneuvers, or a procedure known as catheter ablation, may be effective in certain types. [5] For atrial fibrillation, calcium channel blockers or beta blockers may be used for rate control, and selected patients benefit from blood thinners (anticoagulants) such as warfarin or novel anticoagulants. [5]
Vagus nerve stimulation (VNS) is a medical treatment that involves delivering electrical impulses to the vagus nerve. It is used as an add-on treatment for certain types of intractable epilepsy , cluster headaches, treatment-resistant depression and stroke rehabilitation.
The SE therapy concepts such as "dorsal vagal shutdown" with bradycardia that are used to describe "freeze" and collapse states of trauma patients are controversial since it appears the ventral vagal branch, not the dorsal vagal branch, mediates this lowered heart rate and blood pressure state.
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