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when cardiac muscle begins to contract after a brief period of rest after vagal stimulation its initial strength of contraction increases to a plateau by staircase effect

strong vagal stimulation of heart can stop heart beat for few seconds

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Vagal escape occurs when heart is stimulated by what?

Vagal escape occurs when the parasympathetic nervous system, specifically the vagus nerve, fails to regulate the heart rate and the heart muscle is instead stimulated by other mechanisms. This can happen in situations where there is a prolonged increase in sympathetic nerve activity or when there is a dysfunction in the parasympathetic nervous system.


What happens during vagal escape?

Vagal escape occurs when the parasympathetic nervous system (vagus nerve) is temporarily overridden by the sympathetic nervous system. This can lead to an increase in heart rate and blood pressure, as well as other physiological responses like bronchodilation and pupil dilation. It is a protective mechanism that allows the body to respond to stress or threat.


How can the heart overcome excessive vagal stimulation?

Excessive vagal stimulation can be overcome by engaging in activities that increase sympathetic tone, such as exercise or deep breathing. In severe cases, medications like atropine can be used to block the effects of excessive vagal stimulation on the heart.


What is the function of the vagal lobe?

to sense taste :-)


What nerve conveys parasympathetic signals to the heart?

Vagal


Does the vagus nerve stimulator cause vagal inhibition?

Yes


Increased vagal stimulation would cause?

Increased vagal stimulation would cause a decrease in heart rate and blood pressure. The vagus nerve is part of the parasympathetic nervous system, which promotes relaxation and slows down physiological processes.


What causes the particles in a liquid to escape into a gas state?

evaporation


Five letter v words?

Valor ;;; Volts ;;; vagal ;;; vagus


How can one improve their vagal tone?

To improve vagal tone, one can engage in activities such as deep breathing exercises, meditation, yoga, and physical exercise. These activities can help stimulate the vagus nerve, which is responsible for regulating the body's relaxation response. By incorporating these practices into one's daily routine, they can enhance their vagal tone and promote overall well-being.


What success rate does vagal nerve stimulation have?

Approximately half of all patients who have received vagal nerve stimulation experience about a 50% reduction in seizures. Another 9% of patients obtain complete relief from seizures.


Can vagal nerve injury cause diarrhea?

Cardiac ablation is associated with vagal nerve damage. An individual has developed diarrhea within 24 hours of this procedure that is intractable. Doctors seem puzzled as no reason found for diarrrhea.