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World J Cardiol. Mar 26, 2026; 18(3): 116299
Published online Mar 26, 2026. doi: 10.4330/wjc.v18.i3.116299
Figure 10
Figure 10  A stepwise approach to electrocardiographic artifacts. Orange arrow - spurious atrial premature complex, see Figure 6A; blue arrow - orphan T wave of the corresponding missing QRS complex along with normal T wave, color facilitates easy interpretation. LA: Left arm; RA: Right arm; LL: Left leg; Vx: Precordial lead; WCT: Wilson’s central terminal.


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