A 44-year-old member asked:
what is borderline inferior q wave mean?
2 doctor answers • 2 doctors weighed in
Dr. Calvin Weisbergeranswered
Cardiology 51 years experience
Q waves: There are criteria for significant depth and duration of Q waves for them to be signficant. Borderline means depth/width or both not quite significant.
4.9k viewsAnswered >2 years ago
Dr. Nathan Almeidaanswered
Cardiology 23 years experience
ECG finding: Inferior Q waves on ECG indicate possible prior inferior wall myocardial infarction (heart attack). To be significant, the q wave must be at least 25% or more in amplitude compared to following r wave, and be 1 mm wide. If it does not meet these criteria, it is a "borderline" q wave, and is less likely to indicate a prior heart attack.
4.9k viewsAnswered >2 years ago
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Last updated Jul 10, 2017
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