Page 405 - ECG dr shamol_Slide
P. 405

ECG  criteria
   Progressive lengthening of PR followed by absent of QRS  complex.  That meant one P

  is not followed by QRS complex and repetition of this cycle .





















     To remember

     R—R = is irregular

     PR = is not fixed (progressive ↑PR)


     P≠QRS), some p is not  followed by QRS complex
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