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Device-Based Therapy of Cardiac Rhythm Abnormalities

Device-Based Therapy of Cardiac Rhythm Abnormalities. Summaries from the: ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities Epstein AE et al. Heart Rhythm 2008;5:934-55. Permanent Pacemaker Implantation.

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Device-Based Therapy of Cardiac Rhythm Abnormalities

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  1. Device-Based Therapy of Cardiac Rhythm Abnormalities Summaries from the: ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities Epstein AE et al. Heart Rhythm 2008;5:934-55

  2. Permanent Pacemaker Implantation ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities Fred Kusumoto, MD, FHRSMayo, Clinic Jacksonville, FL

  3. Causes of Bradycardia Sinus Node Dysfunction AV block Kusumoto, ECG Interpretation: from Pathophysiology to Clinical Application 2009

  4. Permanent Pacing: Sinus Node Dysfunction • Permanent pacing is recommended for symptomatic patients with sinus node dysfunction • Important points: • Presence of symptoms is the main determinant on whether or not to recommend permanent pacing. • No specific rate cut-off or pause duration. • The phrase “chrontropic incompetence” is used to describe an inadequate heart rate response to exercise. There is no standardized definition for “chronotropic incompetence.” • If bradycardia results from required medications, permanent pacing is recommended. • Use pacing systems that minimize ventricular pacing.

  5. Permanent Pacing: Atrioventricular block • Permanent pacing is recommended for symptomatic patients with 2nd or 3rd degree AV block and for asymptomatic patients with 2nd or 3rd degree AV block where the site of AV block is below the AV node • Important points: • No specific rate cut-off or duration. • The presence or absence of symptoms and the site of AV block are the main determinants for whether or not pacing therapy is recommended. • Block below the AV node is associated with poorer prognosis and sudden development of symptoms due to the unreliability of infranodal escape rhythms. • Block below the AV node is suggested by: Type II 2nd degree AV block, wide QRS complex (either conducted or as an escape rhythm), exercise induced, accompanying neuromuscular disorders.

  6. Dual Chamber Pacemaker Function Kusumoto and Goldschlager JAMA 2001

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