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Clean vector stopwatch icon showing a fifteen-second indicator with a bold label, illustrating quick timing, short intervals, fast tasks, and efficient countdown tracking in a modern minimal style.
training, workout time icon with a kettlebell
High intensity interval training workout. Hiit group training
Dieting, losing weight, eating at regular intervals
ECG in long QT syndrome type 1, 3D illustration, annotated. Shows prolonged QT interval with broad T waves. Clinically linked to torsades de pointes and increased risk of sudden cardiac arrhythmia.

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