What does flatline mean?
The term 'flatline' is used in medical contexts to describe a situation where a patient's vital signs, such as heart rate or blood pressure, have stopped or are no longer detectable. This can be a life-threatening condition that requires immediate medical attention. The phrase is often used in emergency situations, such as during surgery or when a patient is in cardiac arrest. In a broader sense, 'flatline' can also refer to a state of complete inactivity or unresponsiveness, such as a computer system that has crashed or a person who is in a coma. The term is often used in a serious or somber tone, as it implies a sense of urgency or danger.
verbTo show no signs of life or activity; to be in a state of complete inactivity or unresponsiveness.
- 1. To show no signs of life or activity; to be in a state of complete inactivity or unresponsiveness.
"The patient's heart rate flatlined during the surgery, and the doctors had to perform a emergency procedure to revive him."
"The patient's heart rate flatlined during the surgery, and the doctors had to perform a emergency procedure to revive him."
"The computer system flatlined after the power outage, and it took hours to restore it."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of flatline
The word 'flatline' is a relatively recent term that originated in the medical field. It is believed to have been coined in the mid-20th century, possibly as a combination of the words 'flat' and 'line'. The term is thought to have been popularized by medical professionals who used it to describe a situation where a patient's vital signs had stopped or were no longer detectable.
Usage notes
The term 'flatline' is often used in medical contexts, but it can also be used in a broader sense to describe a state of complete inactivity or unresponsiveness. It is generally used in a serious or somber tone, as it implies a sense of urgency or danger.