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.
I've asked many people the same thing and have had many cats of my own. Cats can live a long time but it can also depend on the breed. The longest a cat can live is about 18-20 years. Source(s): My vet, cats101, cats encyclopedia book.