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Normal ECG (Electrocardiogram) (P wave , PR segment , PR interval , QRS complex , QT interval , ST segment , T wave , U wave)
Man at home doing bodyweight interval workout
Time - blue
Vintage chrome mechanical analog stopwatch isolated on white background.
Smartphone in hands basketball player during game interval. Blank screen. Sports mock up. View from above. Close up.
Set of timers - ten minutes, transparent sign 10 min.

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