5 Scientific Questions to Ask a Sonographer Performing an Echocardiogram on a Patient with a Single-Chamber Leadless Pacemaker

  1. How does the presence of the leadless pacemaker affect visualization of the right ventricular apex and endocardial border definition during the echocardiogram?
  2. Are there any acoustic shadowing artifacts caused by the pacemaker device that could interfere with accurate assessment of right ventricular function or tricuspid valve morphology?
  3. What specific Doppler techniques (e.g., tissue Doppler imaging or pulsed-wave Doppler) are used to evaluate ventricular synchrony and potential pacing-induced dyssynchrony in this patient?
  4. How do you differentiate between normal pacing-related wall motion abnormalities and pathological regional wall motion abnormalities in the right ventricle?
  5. Are there standardized echocardiographic views or protocols recommended for monitoring device position, stability, and potential complications (e.g., perforation or migration) post-implantation?