We got my Mom this system after her 1st congested heart failure (she lives alone and is 83) and she used it when she experienced a 2nd heart failure, and the ambulance was there in minutes as we were also thanks for Lifeline contacting us immediately.
If any of you have a loved one that lives alone and is either elderly or have some other medical issue I strongly recommend one of these devises.
My Mom had to use it again yesterday and can't stress enough how important this is in saving someone's life when minutes count.
I do not know what is used in other countries but here is the one we use here in Canada.
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