Left posterior fascicular block

Revision as of 05:06, 7 August 2016 by Kxl328 (talk | contribs)
His-Purkinje system and hemiblocks

Criteria

Diagnostic criteria include[1]:

  1. Right axis deviation (>110)
  2. QRS < 120ms
  3. qR in III and AVF
  4. rS in I and aVL

Significance

  • Usually associated with disease
  • Isolated LPFB associated with MI[2]
  • Exclude other causes of RAD (PE, COPD, RVH, Lat MI)

See Also

References

  1. ↑ Surawicz B, et al. AHA/ACCF/HRS recommendations for the standardization and interpretation of the electrocardiogram: part III: intraventricular conduction disturbances. Journal of the American College of Cardiology. 2009; 53(11): 976–981.
  2. ↑ Godat FJ and Gertsch M. Isolated left posterior fascicular block: a reliable marker for inferior myocardial infarction and associated severe coronary artery disease. Clin Cardiol. 1993; 16(3):220-226.
Retrieved from "https://www.wikem.org/w/index.php?title=Left_posterior_fascicular_block&oldid=93531"