Comment to 'Bite-sized EKG #4: Lazy Wolf!'

Comment to Bite-sized EKG #4: Lazy Wolf!

· Naiela E. Almansouri

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· In reply to

Fathi Idris

· 2023-02-13T13:57:34+0000
My mistake!
It's the first time that I see (intermittent pre-excitation) at first glance it looks like PVCs.

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- · Fathi Idris
  
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  · In reply to
  
  Naiela E. Almansouri
  
  · 2023-02-14T03:05:19+0000
  The fact there is a "P" before each of these "PVCs" should be the first clue. Next question, is that: why a sinus drive beat gets all of a sudden short "PR" interval and a wide QRS?
  
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