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Okay, I'll give it to you: a '''4-lead ECG''' is somewhat better than a [[1-Lead ECG|1-lead ECG]]. Did you hear that? It's [[The Sound (Song)|the sound]] of [[American College of Cardiology|cardiologists]] everywhere [[Laughing Gas|laughing]] at you.<ref>[http://gomerblog.com/2016/03/ecg-of-the-day-toilet-paper-invented/ This Day in Medical History: ECG of the Day Toilet Paper Invented]</ref>
'''See More'''
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[[1-Lead ECG]]
[[2-Lead ECG]]
[[3-Lead ECG]]
[[5-Lead ECG]]
[[13-Lead ECG]]
'''References'''
