Medical Alerts – Otherwise known as personal emergency response systems or alarm bracelets – Medical Alerts allow senior citizens to live on their own, protected by the facility of obtaining a fast emergency response, just by pressing a button. Costs typically range from $30 to $40 per month depending on the provider. These alarms are operated by wireless communication, and allow a senior to signal for help if they fall or are in trouble. Any request for assistance is sent to an emergency call center which is monitored continuously over 24 hours. These call centers can then send help to the senior immediately, Medical Alarms are very small and available as bracelets, pendants, watches or key chains.