Key result
ARVC presents as NSTEMI and sustained monomorphic VT with left bundle morphology.
Why the study?
Sustained monomorphic ventricular tachycardia in the setting of acute coronary syndrome may be misattributed to ischemia alone, necessitating investigation for underlying cardiomyopathies such as arrhythmogenic right ventricular cardiomyopathy.
Case Report (n=1)
Sustained monomorphic ventricular tachycardia is an uncommon presentation of acute myocardial ischemia and should prompt investigation for an underlying cardiomyopathy such as ARVC, even in the presence of obstructive coronary artery disease.
Prompts ARVC consideration in NSTEMI with LBBB-morphology VT despite CAD; single case leaves open broader validation.
A 55-year-old man presented with sustained monomorphic ventricular tachycardia with a left bundle QRS complex pattern in the setting of non-ST-segment elevation myocardial infarction. The electrocardiographic morphology of the ventricular tachycardia and echocardiographic findings of significant right ventricular dysfunction led to the diagnosis of arrhythmogenic right ventricular cardiomyopathy.
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Dixit et al. (2023) conducted a case report in Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC) and NSTEMI (n=1). Implantable cardioverter-defibrillator (ICD) and medical therapy was evaluated on Clinical diagnosis and management. A 55-year-old man presenting with NSTEMI and sustained monomorphic ventricular tachycardia with a left bundle QRS pattern was diagnosed with arrhythmogenic right ventricular cardiomyopathy.
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