Third-degree AV block dysrhythmia has regular p-p and r-r intervals with both having the same rate.
Heart block is a condition in which the electrical system of the heart does not work as properly. So this sometimes can result in a slow heartbeat that is either regular or irregular.
Third-degree AV block is electrocardiographically characterized by, regular P-P interval, and regular R-R interval. Lack of an apparent relationship between the P waves and QRS complexes. Dysrhythmia refer to an abnormal rhythm of your heartbeat, where the rate of your heartbeat is irregular.
Hence, third-degree AV block indicates a complete loss of communication between the atria and the ventricles.
To learn more about dysrhythmia here:
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