graph showing the results electrocardiogram test recording paper |
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| navigate by keyword : line pattern text design document graph showing electrocardiogram ekg test recording paper analysis arrhythmia background beat black cardiac cardio cardiogram cardiologist cardiology care chart closeup diagnosis ecg heart electrical electrocardiograph frequency health healthy heartbeat hospital measurement medical oxygen patient physical pressure printout pulse rate record report show stroke technology track unit wave white |
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| Graph showing the results of the electrocardiogram (EKG) test on recording paper. |
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