determination oxygen the blood male hand with pulse oximeter middle finger close health care |
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| navigate by keyword : background blood cardiac cardiology care check clinic coronavirus covid covid19 device display doctor ecg electrocardiograph electronic emergency equipment exam finger gripping hand health heart heartbeat help hospital male measurement medical monitor monitoring oximeter oxygen oxymeter oxymetry patient pneumonia portable pulse resuscitation saturation sensor technology test urgent virus |
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| Determination of oxygen in the blood. Male hand with a pulse oximeter on the middle finger, close-up. Health care. |
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