What is a spinal anurysm ?
Answers:
How are aneurysms diagnosed?
Aneurysms usually do not cause symptoms unless they rupture (leak). When an aneurysm ruptures, the symptoms described above occur. These symptoms are so characteristic for subarachnoid hemorrhage that often the diagnosis can be made on this history alone. After the patient arrives in the emergency room, a CT scan or spinal tap is done which confirms the presence of blood in the spinal fluid surrounding the brain. An arteriogram (angiogram) is performed to demonstrate the source of the hemorrhage. An arteriogram is done by placing a needle into an artery in the groin and running a catheter (a small, soft, tube) up the artery to the arteries going to the brain and injecting dye. This dye outlines the inside of the blood vessels. Up to 20% of the time, the arteriogram may fail to show the source of the hemorrhage. There is a slight risk of hemorrhage into the groin or even stroke associated with this test. A magnetic resonance angiogram (MRA) or computerized tomographic angiogram (CTA) can be done to look at the arteries and veins with less risk than a formal arteriogram but is not as accurate. The arteriogram is still the most accurate test
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