Brain Aneurysm (cont.)Medical Author:
Benjamin Wedro, MD, FACEP, FAAEM
Benjamin Wedro, MD, FACEP, FAAEMDr. Ben Wedro practices emergency medicine at Gundersen Clinic, a regional trauma center in La Crosse, Wisconsin. His background includes undergraduate and medical studies at the University of Alberta, a Family Practice internship at Queen's University in Kingston, Ontario and residency training in Emergency Medicine at the University of Oklahoma Health Sciences Center. Medical Editor:
Melissa Conrad Stöppler, MD
Melissa Conrad Stöppler, MDMelissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology. In this Article
What are the signs and symptoms of brain aneurysm?
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The headache associated with a leaking aneurysm is severe. Blood is very irritating to the brain and causes significant pain. Patients may describe the "worst headache of their life," and the health care practitioner needs to have an appreciation of brain aneurysm as a potential cause of this type of pain. The headache may be associated with nausea, vomiting, and change in vision. A subarachnoid hemorrhage also causes pain and stiffness of the neck. How is brain aneurysm diagnosed?The diagnosis of brain aneurysm begins with a high index of suspicion by the health care practitioner. The history of the headache, an acute onset of the worst headache of the patient's life, associated with a stiff neck and an ill-appearing patient on physical examination, typically lead the health care practitioner to order a CT (computerized tomography) scan of the head. This will show a subarachnoid hemorrhage in more than 90% of cases of ruptured aneurysm. In the few cases that are not recognized by CT, the health care practitioner may consider performing a lumbar puncture (LP, or spinal tap) to identify blood in the cerebrospinal fluid that runs in the subarachnoid space. If the CT or the LP reveals the presence of blood, angiography is performed to identify where the aneurysm is located and to plan treatment. Angiography (angio=artery +graphy= picture) is a procedure in which a small flexible tube is threaded into one of the brain's arteries, and dye is injected while pictures are taken. Newer technology allows angiography to be done in association with CT or magnetic resonance imaging (MRI). Though the symptoms may suggest a brain aneurysm, other diagnoses may need to be considered. Migraine headache, meningitis, tumor, and stroke all may cause neurologic symptoms. Based on the patient's presentation, the health care practitioner will need to decide which tests and studies to use to establish the correct diagnosis. Reviewed by Melissa Conrad Stöppler, MD on 9/13/2011 Patient CommentsViewers share their comments
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