medical alarms 11
https://familyrcomedicalalertinsight.unionquill.com/posts/how-a-medical-alert-can-support-independent-living-for-seniors-in-new-zealand
Medical alarms in hospitals have a rhythmic urgency, with beeps and tones that signal changes in a patient's vitals or equipment status. It's a strange, constant background noise that nurses learn to decipher, knowing which sound means a call for help and which is just a routine alert.