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With Mobitz type 1 second-degree heart block, the PR intervals get longer, and QRS waves are delayed and then dropped, which happens cyclically and adopts a regular pattern. For instance ...
The P waves appear sinus in origin and have no association with the QRS complexes indicating 3rd degree heart block (complete ... on a left bundle branch block pattern. This occurs since ...
The P waves appear sinus in origin and have no association with the QRS complexes indicating 3rd degree heart block (complete ... on a left bundle branch block pattern. This occurs since ...
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