Investors & landlords

I cannot find in IRS Publication 502 (Medical and Dental expenses) where it specifically lists that a monitoring system is deductible.  However, as the attached link indicates, you can deduct amounts paid to a plan as follows:

Medical Information Plan You can include in medical expenses amounts paid to a plan that keeps medical information in a computer data bank and retrieves and furnishes the information upon request to an attending physician.

https://www.lifeline.philips.com/resources/blog/2015/02/are-medical-alert-devices-tax-deductible.htm...