Fig 145.b

A trace taken one year previously. There is a marked LAA in different looking but definitely sinus P waves. Perhaps what is seen in Fig 145 above in lead 1 is a notched P wave without much contribution from a flat T wave?

A trace taken one year previously. There is a marked LAA in different looking but definitely sinus P waves. Perhaps what is seen in Fig 145 above in lead 1 is a notched P wave without much contribution from a flat T wave?