Subarachnoid hemorrhage should go to which department?

Written by Wang Li Bing
Intensive Care Medicine Department
Updated on September 09, 2024
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Subarachnoid hemorrhage is also relatively common in clinical settings. Its symptoms primarily include severe headaches, reflex vomiting, possible consciousness disturbances, and even seizures. Following the occurrence of subarachnoid hemorrhage, a cranial CT scan can be used for a definitive diagnosis. Patients typically seek treatment in neurology or neurosurgery departments. After admission to a neurology ward, DSA (Digital Subtraction Angiography) can be conducted to accurately locate the bleeding site, and interventional embolization treatments may be considered. If the patient has a large volume of subarachnoid hemorrhage, neurosurgery might be considered for the removal of intracranial hematomas or decompressive craniectomy, among other procedures.

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Written by Tang Bo
Neurology
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Is subarachnoid hemorrhage considered a minor injury?

Subarachnoid hemorrhage depends on the amount of bleeding and the location to determine the severity of the condition. It can be life-threatening in severe cases. If symptoms such as headache and severe vomiting occur, the possibility of subarachnoid hemorrhage should be considered. Initially, a cranial CT scan should be conducted to confirm the diagnosis. Further investigations should include cranial MRI or CTA vascular imaging, preferably CTA, to determine whether there is rupture bleeding caused by an aneurysm. In such cases, it is necessary to consider whether emergency surgery is required, based on the amount of bleeding and the condition of the blood vessels, and the possibility of an aneurysm to guide further treatment.

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Written by Liu Yan Hao
Neurology
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Subarachnoid hemorrhage is a condition.

Subarachnoid hemorrhage refers to the rupture of blood vessels due to lesions at the base or on the surface of the brain, with blood directly flowing into the subarachnoid space, causing a clinical syndrome. This is different from cerebral hemorrhage, which refers to bleeding within the brain tissue itself, not into the subarachnoid space. So, what is the subarachnoid space? The human brain is covered by three layers of membranes: the pia mater, arachnoid, and dura mater. The subarachnoid space is the area between the pia mater and the arachnoid membrane, named as such. When there is a rupture in cerebral vascular malformations or cerebral aneurysms, blood flows directly into the subarachnoid space rather than causing bleeding in the brain tissue. Subarachnoid hemorrhage is considered a very serious medical condition with a very high mortality rate. Its main symptoms include severe headache, increased intracranial pressure, nausea, and projectile vomiting. If it is a second occurrence of subarachnoid hemorrhage, the mortality rate can reach up to 50%. A third occurrence of subarachnoid hemorrhage almost certainly results in death.

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Written by Chen Yu Fei
Neurosurgery
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The difference between cerebral hemorrhage and subarachnoid hemorrhage

There is a significant difference between cerebral hemorrhage and subarachnoid hemorrhage. For subarachnoid hemorrhage, the specific causes are mainly divided into two types. The first cause is due to trauma, violent strikes, car accidents, or falls from heights, leading to localized vascular rupture and extensive subarachnoid hemorrhage. It generally presents as obvious high-density shadows in the ventricular system or cisterns. The occurrence of subarachnoid hemorrhage often leads to symptoms such as headache, dizziness, neck stiffness, and positive meningeal irritation signs. The other situation is spontaneous subarachnoid hemorrhage, most often due to intracranial aneurysms or arteriovenous malformations. Cerebral hemorrhage is primarily due to hypertensive cerebral hemorrhage, which is more likely to occur, mostly seen in the bilateral basal ganglia, presenting as localized high-density shadows.

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Written by Zhang Hui
Neurology
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Subarachnoid hemorrhage: how to treat?

Subarachnoid hemorrhage, the most common cause of which is due to the rupture of an aneurysm. The rupture of an intracranial aneurysm leads to blood entering the subarachnoid space, causing corresponding clinical symptoms. Patients may experience severe headaches, nausea and vomiting, accompanied by significant restlessness, and may also develop complications such as cerebral vasospasm, hydrocephalus, which can be life-threatening. The treatment for subarachnoid hemorrhage mainly includes: First, it is recommended to promptly complete a full cerebral angiography. If an aneurysm is found, interventional embolization of the aneurysm may be administered. Second, the patient should be advised to rest in bed and maintain emotional stability. Some sedative medications should be given to the patient. Additionally, calcium channel blockers should be administered to prevent cerebral vasospasm. Furthermore, electrolyte disturbances must be corrected to prevent severe complications such as hydrocephalus.

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Written by Zhang Hui
Neurology
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Does subarachnoid hemorrhage have a genetic component?

Subarachnoid hemorrhage, this disease does not have a significant genetic tendency, so there is no need to worry excessively. The main cause of the bleeding is the rupture of an aneurysm, which is due to abnormal blood vessel development resulting in fusiform aneurysms that rupture and bleed under certain conditions. Additionally, there are other causes of subarachnoid hemorrhage, such as long-term smoking which can cause arterial disease, some arteriovenous malformations are also prone to rupture and bleed, and some traumatic injuries can also lead to subarachnoid hemorrhage; these are not hereditary. Subarachnoid hemorrhage is a rather dangerous condition, so it is essential to control risk factors, properly manage blood pressure, and absolutely avoid smoking. If severe headaches, nausea, and vomiting occur, it is crucial to be highly vigilant and seek medical attention at a hospital immediately.