68wm6 p2 Car. Dys. Cardiac Dysrhythmias | 120 Questions with 100% Correct Answers | Updated 2023
How does the sympathetic nervous system affect the heart rate? Speeds it up. How does the parasympathetic nervous system affect the heart rate? Slows it down. Define cardiac automaticity: inherent (intrinsic) ability to contract in a rhythmic pattern. Abiity of the heart to sustain its own impulses. Define cardiac irritability: ability to respond to a stimulus. At what rate does the SA node generate impulses? 60-100 a minute When the impulse leaves the SA node, how does it travel through the atria? Through the bachmans bundle and internodal pathways.
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68wm6 p2 car dys cardiac dysrhythmias | 120 questions with 100 correct answers | updated 2023
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