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Exercise-Induced Sustained Ventricular Tachycardia without Structural Heart Disease: A Case Report
Michelle Audrey Darmadi1,2, Axel Duval1,3, Hanaa Khadraoui1,4
1Department of Cardiology, Harlem Cardiology, New York City, NY, USA.
Exercise-induced ventricular tachycardia (VT) in individuals without structural heart disease is rare but serious. Further research is needed to determine effective management strategies for this condition.
Area of Science:
- Cardiology
- Electrophysiology
Background:
- Exercise-induced ventricular tachycardia (VT) is typically associated with structural heart disease or ischemia.
- Limited research exists on VT occurring during exercise in individuals without apparent cardiac structural abnormalities.
Observation:
- A 51-year-old woman developed wide complex VT during a treadmill stress test, accompanied by nausea and dizziness.
- The VT episode resolved spontaneously after approximately 2 minutes.
- Extensive cardiac evaluations, including MRI, echocardiography, and angiography, showed no evidence of structural heart disease.
Findings:
- The case highlights exercise-induced VT in a patient lacking underlying structural heart disease.
- This presentation is uncommon and potentially life-threatening.
Implications:
- Management strategies for exercise-induced VT without structural heart disease require further investigation.
- This condition necessitates a distinct approach compared to VT in patients with known cardiac disease.
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