This is why the EKG is useful as a diagnostic test. It is not, however, a perfect test and many innocuous conditions can cause abnormalities and an EKG can be normal even when there is serious pathology, which is why other tests are frequently necessary.
Report Abuse. a key holder is a position of some trust. The person has a key to the store and any security codes that are needed. This normally means the person will be entering or leaving the store outside normal hours, possibly opening or closing the store.A keyholder may also be like a night stockman, who comes in when the store is closed to stock shelves. put in an application to a place in a mall and the manager said they were hiring for a key holders position. I have no clue what that is. I am looking for intelligent answers here not just the holder of a key. Thanks in advance.
Key Holder Job Descriptions. As the name suggests a key holder holds the keys to the luxurious belongings of an establishment. He is someone who is responsible for looking after the safety and security of the establishments, especially shops, departmental stores, and big shopping complexes.