| 1. | It causes tachycardia by blocking vagal effects on the sinoatrial node.
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| 2. | The fibers are carried by both the anterior and posterior vagal nerves.
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| 3. | Exhalation then decreases heart rate as it causes vagal activity to resume.
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| 4. | I would often faint due to the pain ( vaso vagal response ).
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| 5. | A decrease in vagal tone and increase in sympathetic tone is the cause.
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| 6. | Strong vagal stimulation may also produce AV block.
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| 7. | Instead, other biological processes are measured that represent the functionality of vagal tone.
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| 8. | Hofer interpreted the fear-inducing slowing of heart rate as a vagal phenomenon.
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| 9. | The abnormality lies in this excessive vagal response.
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| 10. | Vagal said, " But of late we have not found anything ."
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