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Published on: December 11, 2017
Left bundle branch block and changing axis deviation during acute myocardial infarction
Insights
This case study highlights a rare instance of left bundle branch block with changing axis deviation during acute myocardial infarction. Such ECG findings are unusual and warrant further investigation in cardiology.
Area of Science:
- Cardiology
- Electrocardiography
Background:
- Changing axis deviation is documented in arrhythmias like atrial fibrillation and acute myocardial infarction.
- Left bundle branch block typically presents with normal or left axis deviation on ECG.
Observation:
- A rare case of left bundle branch block exhibiting changing QRS morphology and axis deviation is presented.
- This observation occurred in an 86-year-old male patient admitted for acute myocardial infarction.
Findings:
- The study details a specific case of left bundle branch block with dynamic axis deviation during acute myocardial infarction.
- This presentation is atypical and contrasts with the usual ECG findings for left bundle branch block.
Implications:
- This case underscores the importance of recognizing rare ECG patterns in acute myocardial infarction.
- Further research into the mechanisms and clinical significance of changing axis deviation in left bundle branch block is suggested.
Abstract:
Changing axis deviation has been reported also during atrial fibrillation or atrial flutter. Changing axis deviation has been also reported during acute myocardial infarction associated with atrial fibrillation too or at the end of atrial fibrillation during acute myocardial infarction. Left bundle branch block is usually associated with normal or left axis deviation. Rarely the ECG shows a left bundle branch block with changing QRS morphology and changing axis deviation. We present a case of a left bundle branch block with changing axis deviation in an 86-year-old Italian man admitted to the Cardiology Unit with an acute myocardial infarction. Also this case focuses attention on left bundle branch block with changing axis deviation.
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