A hand holds a long electrocardiogram printout, showing heart rhythm data.
Schlüsselwörter
nubes,
rythm,
cardiogram,
cardiogram,
cardiogram,
printout,
paper,
wave,
line,
grid,
medicals,
health care,
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analysis,
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science,
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hand,
finger,
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pulse,
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amplitude,
electrical,
activity,
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chart,
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illustration