Some common reasons include: 1  a serious accident â such as a road accident, a severe head injury, a serious fall or severe burns. 2  a serious short-term condition â such as a heart attack or a stroke. 3  a serious infection â such as sepsis (blood poisoning) or severe pneumonia.
The definition of unnecessary is not needed. An example of something unnecessary is a bowl of sugar for cooking meatballs.
A time and a place. The danger with unnecessary stress tests is that they can result in false-positives, which are results indicating a problem that does not actually exist, Dr. Rimmerman says. That can lead to more testing that is not needed or can be risky and more complicated, Dr. Rimmerman says.