The Glasgow Coma Scale (GCS) is a neurological scale used to assess the level of consciousness in patients with traumatic brain injury or other neurological conditions. It helps healthcare providers objectively evaluate and communicate the severity of a patient's neurological impairment.

The scale consists of three components: eye opening, verbal response, and motor response, each evaluated independently. Scores range from 3 to 15, with lower scores indicating a deeper level of unconsciousness and higher scores indicating a more responsive state.

To use the Glasgow Coma Scale, assess the patient's eye opening, verbal response, and motor response, assigning the appropriate score to each category. The total score provides valuable information about the severity of brain injury and helps guide treatment decisions.

It's important to note that the Glasgow Coma Scale is just one tool in assessing neurological function and should be used in conjunction with other clinical assessments and imaging studies for a comprehensive evaluation of the patient's condition.