What is a Holter monitor? A Holter monitor is a battery-operated portable device that measures and tape records your heartâs activity (ECG) continuously for 24 to 48 hours or longer depending on the type of monitoring used.
This week, Guinness World Records has confirmed that Corduroy is the Oldest cat living after he recently turned 26 years old - an impressive age considering domesticated cats have an average lifespan of 15 years.
Report Abuse. I've had a cat live to be 21. I've also had a cat for less than a year and it just died in it sleep at less than 2 years old. As long as you keep it indoors and take care of it's health they can live great long lives. My sister had a cat that was diabetic.