Blue Heartbeat Line — Black, Calm

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Electrocardiogram Line

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Heart Rate Monitor Line — Black

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rainbow line on black

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bunnies on a diagonal line

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blue heartbeat line on black

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#wallhaven Hashtag

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Blue Heartbeat Line — Black

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Red Heartbeat Line — Neutral

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Red Heartbeat Line — Black

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heart rate line on black

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blue heartbeat line

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