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Players who have suffered a head impact should immediately be referred to the emergency department of a hospital if they have: been unconscious for more than two minutes exhibit focal […]

After a head impact or episode where concussion is suspected, the athlete must be removed from the field and not return to the game or practice. Emergency first aid in […]

Monitor and record any symptoms of concussion such as headaches, dizziness, nausea, fatigue, sleep disturbances, memory lapses, mood swings, poor concentration and any other unusual feelings. If [...]

The Concussion Consensus Panel which produced the SCAT also produced the Concussion Recognition Tool as a quick sideline test to assess if a concussion was likely. This begins with the […]

With a mid-air collision like this, the player appears to be unconscious before striking the ground and cannot protect himself.

This player is also unable to stand unaided after an initial impact rendered him unconscious. Note that he was unable to protect himself when his head hit the ground.

One-sided tonic posturing is seen in the player on the right, and the player on the left is clearly unconscious before he hits the ground.

One or more of these common symptoms and signs is usually present in concussion, however none on their own or in combination are specifically diagnostic. It is worth noting that […]

The diagnosis of acute concussion usually involves assessment of a range of domains including clinical symptoms, physical signs, cognitive impairment, neurobehavioral features and sleep [...]

Concussion may be due to a direct blow to the head or elsewhere on the body with transmission of that force to the head. It is characterised by short term […]