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A 12 lead electrocardiogram, or EKG, shown with the calipers used to make measurements of the electrical complexes.

Stock Photo:
Image ID: 10379548
Release Information: N/A
Copyright:
Small
500x381 6.9"x5.3" (72dpi) 200 KB
Med
1000x761 3.3"x2.5" (300dpi) 902 KB
Large
3000x2282 10.0"x7.6" (300dpi) 4.4 MB
Super
6000x4564 20.0"x15.2" (300dpi) approx.19.1 MB
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