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What is the overall pattern?  What is causing it?  Are all the QRS complexes the same?
Is there a P-wave before every QRS? Are all the P-waves the same?   What is the pattern?
Are all the P-R intervals the same?  What is the pattern?
Is there a relationship between the P-R intervals and the preceding R-P intervals?  Why?
What is the abnormality in the QRS complexes, and what does it indicate?
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