Which symptom should prompt an EMT to suspect a head injury?

• A. Swelling on the hands
• B. Clear fluid draining from the nose
• C. Excessive sweating
• D. Inconsistent heart rate

Answer: (B)

A clear fluid draining from the nose is a significant symptom that can indicate a head injury, particularly a skull fracture. This fluid may be cerebrospinal fluid (CSF), which surrounds the brain and spinal cord. The presence of CSF is often associated with significant trauma to the head, and its leakage can suggest a breach in the protective coverings of the brain. The identification of such leakage is critical because it can lead to serious complications, including infections like meningitis.

In contrast, symptoms such as swelling on the hands, excessive sweating, and inconsistent heart rate are less directly associated with head injuries. While they can indicate other medical issues or stress responses, they do not specifically point to potential damage or trauma to the head or brain. Given this context, the correct identification of clear fluid drainage from the nose is vital for the EMT to recognize and manage potential head injuries effectively.