A diagnostic test that analyzes sound waves bounced off the heart. The sound waves are sent through a tube-like device inserted in the mouth and passed down the esophagus (food pipe), which ends near the heart. This technique is useful in studying patients whose heart and vessels, for various reasons, are difficult to assess with … Read more
This is where a tube is inserted into the windpipe through an incision in the skin of the neck. It needs a small operation and usually replaces the endotracheal tube and is more comfortable when the sedation is turned off.
This is a method of determining what substances are in a person’s system by testing bodily fluids. It can detect substances such as prescribed medication and also illegal substances such as drugs or alcohol. Dose titration means to slowly increase the dose of a drug to a level that can be maintained.