Case report_ idiopathic left ventricular tachycardia
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This document describes a case of a 38-year-old male who presented with frequent palpitations. An EKG during tachycardia showed two different P waves. Differential diagnoses included multifocal atrial tachycardia, ventricular tachycardia with AV dissociation, and ventricular tachycardia with retrograde conduction. Laboratory and echo tests were normal with no structural heart disease. Intracardiac recordings showed ventricular electrical activity was predominant with no dual AV node properties and a zero HV interval. Ablation at a site with diastolic potentials successfully terminated the arrhythmia, confirming the diagnosis of idiopathic left ventricular tachycardia.
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Arrhythmia news no.40
1) The digital ESC Congress 2020 attracted over 116,000 healthcare professionals from 211 countries, focusing on new knowledge in arrhythmias and device therapy.
2) New guidelines and studies provided updates on atrial fibrillation screening and management, showing benefits of early rhythm control and new anticoagulants.
3) Studies explored new pacing approaches like His bundle and left bundle pacing to improve effectiveness and reduce fluoroscopy time.
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Case report_ idiopathic left ventricular tachycardia
- 1. Wide QRS Tachycardia with Two Different P Waves, WHAT IS THE MECHANISM ? Paul Wei Hua Tang, Kun Tai Lee, Wei Chung Tsai, Wen De Lai Kaoshiung Medical University Hospital
- 2. Brief History • 38 years old male without any systemic disease or regular medication • Complained of palpitation frequently during past few months • Tachycardia with stable vital sign during palpitation at emergency room
- 4. Differential Diagnosis • Multifocal atrial tachycardia with aberrant conduction • Ventricular tachycardia with AV dissociation with frequent atrial premature complex • Ventricular tachycardia with sinus P wave and retrograde VA conduction P wave
- 6. Laboratory Data and Echo Data • Normal electrolytes • Normal cardiac echo findings No structural heart disease
- 9. • No antegrade or retrograde dual AV node properties • Ventricular electrical activity predominant • Zero HV interval Idiopathic Left Ventricular Tachycardia
- 10. Diastolic Potentials at Successful Ablation Site