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Challenges in Clinical Electrocardiography
March 14, 2011

Tachycardia in a Patient With a Dual-Chamber Pacemaker

Author Affiliations


Arch Intern Med. 2011;171(5):379. doi:10.1001/archinternmed.2011.59

A 51-year-old woman with an implanted dual-chamber pacing system is seen at the emergency department for palpitations. The following electrocardiogram is obtained (Figure 1).

Question:What are the potential causes of wide complex tachycardia in this patient with a pacemaker and what therapeutic interventions are available?


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