Key result
Anticoagulation therapy for acute bilateral pulmonary embolism successfully resolved incessant right ventricular outflow tract ventricular tachycardia without requiring long-term antiarrhythmics.
Why the study?
Ventricular tachycardia requires emergent evaluation, and although ischemic heart disease is the most common cause, its etiology can involve many other possibilities.
Case Report (n=1)
No
Pulmonary embolism should be considered in the differential diagnosis of ventricular tachycardia, as treating the underlying trigger can effectively control the arrhythmia.
RVOT VT storm may signal acute PE; single case leaves open need for validation before screening changes practice.
BACKGROUND: Ventricular tachycardia (VT) is a malignant ventricular arrhythmia that requires emergent evaluation and treatment. Ischemic heart disease is the most common cause, but its etiology can involve many other possibilities. CASE SUMMARY: A 63-year-old man without structural heart disease presented with VT originating from the right ventricular outflow tract (RVOT), which turned into electrical storm despite antiarrhythmics. A computed tomography scan revealed bilateral acute pulmonary embolism (PE), and he showed favorable progress after its treatment, without further arrhythmias. DISCUSSION: This case highlights the importance of considering PE in the differential diagnosis of VT. Early detection and specific treatment are crucial for improving prognosis of PE, in addition to achieving effective control of the tachycardia by treating its trigger.
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Sóñora-López et al. (2025) conducted a case report in Ventricular tachycardia and pulmonary embolism (n=1). Anticoagulation therapy was evaluated. Anticoagulation therapy for acute bilateral pulmonary embolism successfully resolved incessant right ventricular outflow tract ventricular tachycardia without requiring long-term antiarrhythmics.
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