Left Anterior Fascicular Block (LAFB)
(Last Updated - 5/12/2007)

-aka - Left Anterior Hemiblock or LAHB
-EKG Criteria:

     1) QRS < 120 ms or RBBB w/ QRS > 120 ms
     2) LAD > -45
     3) q-waves in leads I & aVL
     4) S > R in the precordial leads

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References: