A patient is brought to the emergency department with a complaint of central pressing chest pain. The patient’s ecg is shown below. Is this QRS fragmentation (QRSF) and what does that mean?
It has been suggested that alterations in the QRS morphology can occur with myocardial scarring following myocardial infarction. This scarring may lead to a fragmentation of the QRS complex in the ecg.
Why might this be important? The sensitivity of a Q wave for previous MI is low and Q waves may regress in over 50% of cases.
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