Most of Ontario Canada is in the Eastern Time Zone. The areas of Ontario, west of 90 west longitude, are in the Central Time zone.
catheter [(kath-uh-tuhr)] A thin tube inserted into one of the channels or blood vessels in the body to remove fluids, create an opening into an internal cavity, or administer injections.
A central venous catheter, also called a central line, is a long, thin, flexible tube used to give medicines, fluids, nutrients, or blood products over a long period of time, usually several weeks or more.