Find out how to recognize left and right bundle branch blocks, as well as hemiblocks and incomplete blocks.
Henry B. Geiter is a critical care transport nurse for Sunstar EMS in Clearwater, Fla., a nationally recognized speaker, and owner of Nurse411.com, a nurse resource website. Adapted and updated from Geiter HB Jr. Understanding bundle-branch blocks. Nursing. 2003;32(4):32cc1–32cc6.