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Warning over software fault in defibrillators

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The Medicines and Healthcare products Regulatory Agency has warned that a type of defibrillator may potentially give incorrect advice during CPR due to a software fault.

The samaritan PAD 500P defibrillator – made by Heartsine Technologies – may advise the user to “push slower” when the CPR rate is actually at an acceptable level.


Samaritan PAD 500P defibrillator

The affected devices have serial numbers 10B0010001 to 14B00461703. They were manufactured between February 2010 and January 2014.

A global correction notice issued by the manufacturer provides advice about how first aiders and anyone responsible for these defibrillators can update the software.

John Wilkinson, the MHRA’s director of medical devices, said: “It’s vital that first aiders or anyone who is responsible for a defibrillator used in public places such as shopping centres, railway stations and dental surgeries to check the serial numbers to see if they have one of the affected defibrillators that needs its software updating.

“If they do, people can contact the manufacturer’s helpline on 0845 604 8280 who can provide advice about how to update the software or the MHRA Adverse Incident Centre on 020 7084 3080 or


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