RecallGuide.ca
    Medical devicesUpdated Jan 3, 2026HeartStartOfficial source

    HeartStart MRx defibrillator/monitor recall in Canada: power loss risk

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    In plain language

    This recall involves the HeartStart MRx defibrillator/monitor sold in Canada. It's being recalled because the device may lose power if the AC power is interrupted and a charged battery is not installed. Stop using the product and follow the return/repair steps in the official notice.

    What to do

    • Stop using the product immediately.
    • Check model numbers M3535A and M3536A.
    • Return, repair, or dispose of it as instructed.

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    Affected products

    • HeartStart MRx defibrillator/monitor

      Model: M3535A, M3536A

      Lot: All lots

    Why this matters

    Power loss risk

    Do I have this product?

    This recall only applies to specific products. Follow the steps below to check.

    1. 1

      Check the product name

      Make sure your product name matches one of the affected products listed above.

    2. 2

      Check the lot number

      Lot numbers identify specific production batches.

      Affected lots: All lots

    3. 3

      Check the model number

      Model numbers are typically on the product label or packaging.

      Affected models: M3535A, M3536A

    If your product matches one or more of the details above, it may be affected by this recall.

    If your product does not match these details, it is not affected by this recall.

    When in doubt, always check the official notice.

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    Frequently Asked Questions

    Why was this product recalled?

    Power loss risk

    What should consumers do?

    Stop using the product immediately. Check model numbers M3535A and M3536A. Return, repair, or dispose of it as instructed.

    Where was the product sold?

    This product was sold in Canada. For specific retailers or distribution areas, please check the official recall notice linked on this page.

    Is there a health risk?

    Yes, there may be a health risk. Power loss risk

    When was this product recalled?

    This product was recalled on June 7, 2019.

    Is the HeartStart brand affected by this recall?

    Yes, HeartStart products are affected by this recall. This recall involves the HeartStart MRx defibrillator/monitor sold in Canada. It's being recalled because the device may lose power if the AC power is interrupted and a charged battery is not installed. Stop using the product and follow the return/repair steps in the official notice.