Tumor Invasion of Myocardium Presented with Acute Coronary Syndrome
Dai-Yin Lu1, Wen-Chung Yu1, Chun-Ku Chen2
1Division of Cardiology, Department of Medicine; ; Department of Medicine;
Insights
Cardiac metastases are rare but can mimic heart attacks on ECGs. This case highlights the risk of inappropriate thrombolytic therapy in patients with malignancy presenting with ST-segment elevated myocardial infarction (STEMI) patterns.
Area of Science:
- Cardiology
- Oncology
- Medical Imaging
Background:
- Cardiac metastases from malignant tumors are uncommon but present with diverse clinical manifestations.
- These can include arrhythmias, heart failure, and myocardial infarction.
- Electrocardiographic (ECG) changes can mimic ST-segment elevated myocardial infarction (STEMI) in patients with chest pain.
Unlabelled:
Cardiac metastases of malignant tumors are rare but associated with various presentations, including arrhythmia, heart failure and myocardial infarction. However, it may also cause typical electrocardiographic (ECG) changes, mimicking ST-segment elevated myocardial infarction (STEMI) when patients have chest pain. We reported a 59 year-old woman with cardiac metastases of buccal squamous cell carcinoma, which presented with myocardial infarction ECG pattern due to both atrial and ventricular involvements. Rather than alternatives to emergent coronary angiogram may be considered, thrombolytic therapy for acute myocardial infarction could be inappropriate in that it creates a risk for patients with malignancies in certain situations mimicking STEMI.
Key Words:
Arrhythmia; Cardiac tumor; ST-segment elevated myocardial infarction.
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