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1. reaching a point of no return, an irreversible decision; from the practice of "breaking the glass of a fire alarm" in which you must first break a thin layer of glass before pulling a fire alarm to discourage unnecessary activation of fire alarms 2. In Healthcare Information Management Systems (HIMS), the practice of opening a confidential record, file, etc.; often when this is done your information (name, IP, email, organization) is recorded on an accounting of disclosure form
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