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. Author manuscript; available in PMC: 2016 Aug 24.
Published in final edited form as: Am J Med. 2015 Oct 9;129(2):170–172. doi: 10.1016/j.amjmed.2015.09.001

Figure 1.

Figure 1

Prior to pacemaker implantation, the patient’s baseline electrocardiogram (ECG) disclosed sinus rhythm with premature atrial contractions, narrow QRS complexes, and normal T-wave orientation.