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A member asked:
In an ekg what does nsr mean and what does lbbb mean?
4 doctors weighed in across 3 answers
Read on: Nsr is normal sinus rhythm. Lbbb is left bundle branch block.
Answered 10/7/2012
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Nsr & lbbb: Normal sinus rhythm ; left bundle branch block.
Answered 3/26/2013
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Normal sinus rhythm: Nsr is as above and LBBB is left bundle branch block. Neither of these are an emergency and LBBB means you have an electrical conduction change that makes the ekg more difficult to interpret.
Answered 3/3/2019
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