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Subarachnoid hemorrhage and hemorrhagic stroke: diagnosis and management

Reviewed on July 17, 2026

Few diagnoses are as frightening as bleeding in the brain. In the acute phase, everything happens fast. Once the emergency passes, questions arise about cause, sequelae, rehabilitation and how to prevent a recurrence — a moment when a second opinion makes a real difference.

What they are

Hemorrhagic stroke is bleeding within or around the brain. Subarachnoid hemorrhage (SAH) is a specific type, in the space surrounding the brain, often caused by the rupture of an aneurysm.

The classic symptom of SAH is the 'worst headache of your life', of sudden onset. It is always an emergency.

Diagnosis

A CT scan is the first test. To find the cause — such as an aneurysm or AVM — CT angiography or catheter angiography is usually performed.

Identifying the source of the bleeding is essential, because it defines the treatment and the risk of a new event.

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Management in the acute phase and after

In the emergency, the focus is to stabilize the patient, control blood pressure and treat the cause — for example, sealing a ruptured aneurysm by clipping or embolization.

Then come prevention of complications, rehabilitation and follow-up. Each stage has decisions that affect long-term recovery.

Why review the case

Families are often left with questions: was the cause fully investigated? Was the management ideal? Is there a risk of recurrence? What to expect from rehabilitation?

An expert second opinion reviews the exams and the decisions made and helps plan the next steps with clarity.

Frequently asked questions

After a hemorrhagic stroke, is a second opinion still worth it?

Yes. Even after the acute phase, reviewing the cause, the management and the prevention plan is very useful for recovery.

Can subarachnoid hemorrhage come back?

It depends on the cause. If there is an untreated aneurysm, for example, the risk exists — which is why a complete investigation is essential.

How do I submit a relative's case?

You can gather the exams and reports and submit them on Revidra for a specialized written opinion.

More on Vascular Neurosurgery

See specialists in Vascular Neurosurgery

Still unsure about your case?

Send your exams and your case history and receive a structured, written opinion from an independent specialist physician.

Request a second opinion

Educational content, for informational purposes. It does not replace consultation, diagnosis or treatment with a physician, nor does it constitute a teleconsultation or emergency care.