Which of the following could be a cause for stocks Adam syndrome? a. Third degree heart block b. Increased AV conduction c. Excessive sympathetic stimulation d. Low parasympathetic stimulation
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It is often associated with a disorder of heart rhythm such as complete heart block or sick sinus syndrome. a. Third degree heart block: This could be a cause for Stokes-Adams syndrome. In third degree heart block, the electrical signals from the atria (the Show more…
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The activity of the heart depends on intrinsic properties of cardiac muscle and on neural factors. Thus, (a) vagus nerve stimulation of the heart reduces heart rate, (b) sympathetic nerve stimulation of the heart decreases time available for ventricular filling, (c) sympathetic stimulation of the heart increases its force of contraction, (d) all of the above.
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