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Updated: Jun 4, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
Published on: April 25, 2014
[Changes in electrocardiographic and angiographic images in the course of myocardial infarction]
Arkadiusz Derkacz1, Edward Bajkacz, Anna Kotynia
1Katedra i Klinika Chorób Wewnętrznych, Zawodowych i Nadciśnienia Tętniczego, Wrocław. aderkacz@chirs.am.wroc.pl
Insights
Myocardial infarction can cause temporary atrio-ventricular (AV) block and left bundle branch block. Successful angioplasty resolved these conduction disorders, highlighting the link between coronary thrombosis and cardiac electrical issues.
Area of Science:
- Cardiology
- Electrophysiology
- Interventional Cardiology
Background:
- Myocardial infarction (MI) can precipitate various atrio-ventricular (AV) conduction abnormalities.
- Coronary angiography is crucial for assessing arterial lesion dynamics, including thrombosis.
Observation:
- A 58-year-old male presented with transient AV block of all degrees and left bundle branch block during MI.
- Initial angiography missed the coronary artery thrombosis; a second angiography identified it.
Findings:
- Successful coronary angioplasty led to the resolution of the patient's conduction disorders and symptoms.
- The case illustrates a direct correlation between resolved coronary thrombosis and improved cardiac electrical activity.
Implications:
- This case underscores the importance of thorough coronary assessment in patients with MI-induced conduction abnormalities.
- Timely intervention for coronary thrombosis can effectively manage complex cardiac electrical disturbances.
Abstract:
Different types of disorders, varying in time, concerning atrio-ventricular (AV) conductivity may occur during myocardial infarction (MI). Similarly, angiography may reveal the dynamics within lesions of thrombosis in arteries. A case of 58 year-old man, who suffered from temporal AV block of all degrees, and what is more, a block in anterior fascicle or the whole left bundle branch in the bundle of His is presented. Only the second coronary arteriography revealed a thrombosis in coronary artery. Successful angioplasty resulted in relief of symptoms and conductivity disorders. Clinical course of MI was discussed on the basis of the described case.
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