What is the 4 Hour Rule for Head Injury?
The 4-hour rule for head injuries is a clinical observation period used by medical providers to monitor patients with mild traumatic brain injuries (TBI). Primarily used in pediatric and emergency medicine, this rule involves watching a patient for four hours post-injury to observe for any delayed symptoms or neurological deterioration. The goal of this observation […]
What Does A TB Test Look Like If It’s Negative?
The test is negative for TB if there is no bump, or if there is a small bump that is soft to the touch in the area where the test is given. In that case, the area may be a little red, but there is no firm, or raised spot. Your body has not reacted […]