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Electrocardiographic findings in a patient with pure septal infarction
A Tamura1, H Kataoka, Y Mikuriya
1Second Department of Internal Medicine, Medical College of Oita, Japan.
British Heart Journal
|March 1, 1991
Insights
Percutaneous transluminal coronary angioplasty can cause septal infarction, leading to the loss of septal Q waves. This procedure also resulted in reciprocal ST segment depression in inferior leads.
Area of Science:
- Cardiology
- Interventional Cardiology
- Diagnostic Electrocardiography
Background:
- Septal infarction can occur during percutaneous transluminal coronary angioplasty (PTCA).
- Occlusion of the septal branch is a potential complication during PTCA.
- Electrocardiogram (ECG) changes are key indicators of myocardial infarction.
Observation:
- A 65-year-old male patient underwent PTCA.
- The procedure resulted in occlusion of the septal branch, causing pure septal infarction.
- Serial ECGs were performed to monitor cardiac changes.
Findings:
- The ECG showed the disappearance of septal Q waves post-infarction.
- Reciprocal ST segment depression was observed in the inferior leads.
- These findings correlate ECG changes with a specific type of myocardial infarction induced by PTCA.
Implications:
- This case highlights specific ECG manifestations of pure septal infarction.
- Understanding these changes is crucial for accurate diagnosis and management following PTCA.
- ECG monitoring remains vital for detecting complications during and after coronary interventions.
Abstract:
The electrocardiogram in a 65 year old man in whom pure septal infarction had been produced by occlusion of the septal branch during percutaneous transluminal coronary angioplasty showed that this had led to the disappearance of septal Q waves and reciprocal ST segment depression in the inferior leads.