(FIT)-Module 5 Workshop 9: Arrhythmia Case Studies (Putting It All Together for the Boards)-Miller Case 3 Answer

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The stability of a catheter at the site of origin, specifically the posterior papillary muscle, plays a crucial role in addressing ventricular complexes. These complexes exhibit distinctive Q-wave patterns and lack antecedent P-waves, indicating a retrograde nature. Originating in the posterior medial papillary muscle, these complexes are not near the heart's conduction system, reducing safety concerns. Despite constant presence, other factors such as catheter stability on the papillary muscle can hinder procedure efficacy due to its unstable nature compared to the rest of the ventricle. Depth of energy penetration may also impact effectiveness.

Keywords

catheter stability

posterior papillary muscle

ventricular complexes

retrograde Q-wave patterns

energy penetration depth