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Medical condition Subarachnoid hemorrhage Other names Subarachnoid haemorrhage CT scan of the brain showing subarachnoid hemorrhage as a white area in the center (marked by the arrow) and stretching into the sulci to either side Pronunciation / ˌ s ʌ b ə ˈ r æ k n ɔɪ d ˈ h ɛ m ər ɪ dʒ / Specialty Neurosurgery, Neurology Symptoms Severe headache of rapid onset, vomiting, decreased ...
Bederson JB, Chair, Batjer HH, Conolly ES, Dacey RG, Duldner J, Diringer M, Harbaugh RE, Dion JJ, Patel AB, Rosenwasser RH, Members. "Guidelines for the management of aneurysmal subarachnoid hemorrhage. A statement for healthcare professionals from a special writing group of the Stroke Council." American Heart Association. Stroke Dec, 2006.
Trauma is the most common cause of intracranial hemorrhage. It can cause epidural hemorrhage, subdural hemorrhage, and subarachnoid hemorrhage. Other condition such as hemorrhagic parenchymal contusion and cerebral microhemorrhages can also be caused by trauma. [3]
Cerebral vasospasm is a common and severe complication following aneurysmal subarachnoid hemorrhage, occurring in 50-90% of cases after aneurysm rupture. Moderate or severe vasospasm in one or more cerebral arteries develops in approximately two-thirds of patients with ruptured aneurysms .
Subdural haematoma, subdural haemorrhage: Subdural hematoma as marked by the arrow with significant midline shift: Specialty: Neurosurgery, Neurology: Causes: Head injury, alcoholism, reduction in cerebrospinal fluid pressure [1] [2] Risk factors: Senescence, long-term excessive alcohol consumption, dementia, and cerebrospinal fluid leak [3] [4]
The American Heart Association and American Stroke Association guidelines in 2015 recommended decreasing the blood pressure to a SBP of 140 mmHg. [1] However, later reviews found unclear difference between intensive and less intensive blood pressure control. [38] [39] Giving Factor VIIa within 4 hours limits the bleeding and formation of a ...
The most common cause of a subarachnoid hemorrhage is an aneurysm rupture due to the weakened blood vessel walls and increased wall stress. [48] The neurologic symptoms are produced by the blood mass effect on neural structures, from the toxic effects of blood on the brain tissue, or by the increasing of intracranial pressure .
The broad term, "stroke" can be divided into three categories: brain ischemia, subarachnoid hemorrhage and intracerebral hemorrhage. Brain ischemia can be further subdivided, by cause, into thrombotic, embolic, and hypoperfusion. [3] Thrombotic and embolic are generally focal or multifocal in nature while hypoperfusion affects the brain globally.