A cannula is a thin tube that doctors insert into a person’s body cavity, such as their nose, or into a vein. Doctors use them to drain fluid, administer medication, or provide oxygen. A person can ...
Phlebitis stages indicates the severity of inflammation in a vein due to an intravenous (IV) catheter. The score ranges from 0–4, according to how severe the symptoms are. Symptoms in the early stage ...