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What is the affect on the heart if the vagal nerves to the heart were cut?
Wiki User
∙ 13y ago
The vagus never innervates the heart and affects the SA node. Otto Loewi discovered that the vagus nerve through the action of Ach (a neurotransmitter) slowed the heart. So the vagus nerve can slow the action (or beating) of the heart.
Wiki User
∙ 15y ago
Wiki User
∙ 10y agoAnswer : Since the vagus nerve is parasympathetic is action. When the nerve is stimulated, the following actions occur at the myocardium:
1. The heart rate and the force of heart contraction slows down.
2. It leads to conronary vasoconstriction.
3. It decreases myocardial metabolism and,
4. Induces a fall in the blood pressure falls.
Wiki User
∙ 13y agoAfter recovery from the procedure, the heart rate would permanently increase.
Wiki User
∙ 10y agoResting heart rate is faster
Wiki User
∙ 12y agoit decreases the heart rate
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If the vagal nerves to the heart were cut what would the result be?
the heart rate would increase almost immediately by about 25 beats per min, reflecting the inherent rate (100 beats per min) of the pacemaking SA node
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