Hypotension is defined as:

Hypotension is indeed defined as low blood pressure, which is characterized by readings typically below 90/60 mmHg. This condition can lead to insufficient blood flow to the organs, potentially causing symptoms like dizziness, fainting, or shock in severe cases. Understanding this definition is crucial in the context of brain injuries, as maintaining adequate blood pressure is vital for ensuring perfusion to the brain and preventing complications following an injury. Recognizing hypotension and addressing its causes can significantly improve outcomes for individuals affected by brain injuries.