What is a characteristic symptom of an epidural hematoma?

A characteristic symptom of an epidural hematoma is the loss of consciousness that is often followed by a lucid interval. This type of brain injury typically occurs due to a brief period of unconsciousness immediately after a head trauma, after which the patient may seem to recover and regain consciousness temporarily—this is the lucid interval. This phenomenon happens as the hematoma progresses and pressure builds within the skull, leading to a deterioration in neurological status.

The lucid interval can mislead observers into believing the person is not severely injured, but as the hematoma expands, symptoms can rapidly worsen. This distinct pattern of initially recovering consciousness, followed by a sudden decline, is a classic hallmark of an epidural hematoma. Understanding this symptom is crucial for recognizing the potential need for urgent medical intervention.