Recognizing Possible Stroke Symptoms Linked to Aneurysms

Stroke is a major medical emergency and one of the leading causes of serious disability in Canada. A stroke occurs when the blood supply to part of the brain becomes blocked or disrupted. One possible cause is the rupture of a weakened blood vessel (aneurysm). Early recognition and immediate medical care can significantly reduce long-term complications.

While stroke management and treatment are handled in the healthcare system, Canadians benefit from public education and community first aid training to better recognize warning signs and activate emergency medical services quickly.

Coordination and Balance Changes

One of the early noticeable signs may be sudden difficulty with balance or coordination. Aneurysms typically form when blood builds up inside a weakened vessel wall within the brain. When the vessel stretches or ruptures, symptoms can appear suddenly.

Someone may experience:

• Difficulty walking

• Dizziness or lightheadedness

• A sudden loss of balance

If these symptoms develop abruptly, it is important to call emergency services right away.

Weakness or Numbness

A sudden weakness, numbness, or loss of control in the face, arm, or leg—especially on one side of the body—is a common stroke sign.

A quick recognition method used in stroke awareness campaigns includes:

• Face: drooping or uneven smile

• Arm: inability to lift or keep both arms raised evenly

• Speech: slurred or unclear speech

Speech or Vision Changes

A stroke may also cause:

• Slurred speech

• Difficulty forming sentences

• Sudden blurry or double vision

• Unequal pupils or changes in eyesight

Severe Headache or Sudden Pain

A sudden and unusual headache, especially if described as intense or “the worst ever,” may indicate a medical emergency. Nausea, vomiting, and altered consciousness can also occur during a ruptured aneurysm.

Why Early Action Matters

Stroke care in Canada has advanced significantly, but fast action remains critical. Calling 9-1-1 immediately ensures rapid access to hospital treatment that can help preserve brain function and reduce long-term disability.

While stroke is a medical condition managed in healthcare settings—not by lay first aid—public training plays a key prevention role. National first aid and CPR/AED programs help Canadians learn how to recognize medical emergencies, activate EMS, and provide supportive care until paramedics arrive.

Educational Use Disclaimer:
This content is for general learning only and should not replace professional medical assessment, diagnosis, or emergency care. If stroke symptoms are suspected, call 9-1-1 immediately in Canada.