WASHINGTON (AP) — Metro officials are checking all 46 automated external defibrillators at stations after a device used on a man having a heart attack had an insufficient battery charge.

Metro General Manager and CEO Richard Sarles on Thursday ordered a review of the equipment after Monday’s incident, in which a 51-year-old man died after having a heart attack. The device used on him was determined to have an insufficient charge.

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The inspection will be completed by Friday. Procedures for conducting inspections and maintenance are being strengthened.

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By April 30, Metro will complete the work it has under way to put AEDs at all station kiosks, including replacing older models with state-of-the-art devices.

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