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Bundle Branch Block Determination III - Bundle Branch Block


Step 4

Analyze the terminal portion of the QRS complex. Starting at the ā€œJā€ point go one small box back into the QRS (moving to the left).

  • If the energy is below the isoelectric line, this is a left BBB.
  • If the energy of the depolarization is above the isoelectric line, this is a right BBB.
  • some people refer to a turn signal: down is left, up is right
bbb ecg image step4


Authors and Sources

Authors and Reviewers


Sources




? v:3 | cc: | tar: False | onAr:0 | onPs:2 | tLb:3 | tLbJs:0
| pv: 1 uStat: False | db:0 | shouldInvoke:False | pu:False | em: | refreshTime: 1/1/0001 12:00:00 AM || now: 7/13/2024 6:57:03 PM | firstPage: True
| statusStg: | cDbLookup# 0



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