Various Ekg readings Lab essay # 5 in that location are several different boob problems that show up as an abnormal EKG reading. For example, a heart block can occur when there is a jibe in the signals coming from the SA node, AV node, or the Purkinje fibers. However, clinically the term heart block is used to refer to an AV block. This delays or alone stops communication between the atria and the ventricles. AV block is shown on the EKG as a delayed or elongated PR interval. The P wave represents the activity in the atria, and the QRS composite represents ventricular activity.
This is why the PR interval shows the signal delay from the AV node. There are three degrees of severity, and if the delay is greater than .2 seconds it is separate as first degree. Second degree is classified by several regularly spaced P waves out front each QRS complex. Third degree can be shown by P waves that have no spacing relationship to the QRS complex. some other type of blockage is bundle branch blo...If you want to vanquish a full essay, order it on our website:
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