How are intracranial hemorrhages classified? - Answers According to the site of hemorrhage.
Where are the 4 sites of intracranial hemorrhage? - Answers 1- Brain parenchyma
2- Subarachnoid space
3- Subdural space
4- Epidural space
What is the mechanism of cerebral hemorrhage? - Answers Higher pressure arterial blood ruptures into
the brain parenchyma, creating edema.
Shifting or herniation of the brain may occur from what in cerebral hemorrhage? - Answers Acutely
elevated intracranial pressure
What does impaired circulation from pressure and edema cause in cerebral hemorrhage? - Answers
Focal ischemia
Can neurons recover near the hematoma in cerebral hemorrhaging? - Answers Yes
Intraparenchymal hemorrhage can produce lesions in what 3 predominant locations? - Answers 1- Basal
ganglia and thalamus (65%)
2- Pons (15%)
3- Cerebellum (10%)
What do large hematomas of intraparenchymal hemorrhage have the potential to produce? - Answers
Focal neurological deficits and the ability to initiate lethal transtentorial herniation.
What are the 8 etiologies of intraparenchymal hemorrhage? - Answers 1- Hypertension
2- Leukemia
3- Berry aneurysm and arteriovenous malformation
4- Primary and metastatic neoplasms
5- Trauma
6- Bleeding within an ischemic infarct
7- Coagulation disorders and vasculitis
8- Illicit drugs (amphetamines and cocaine)
, What is the most common cause of cerebral hemorrhage? - Answers Hypertension
How does hypertension affect the brain, causing cerebral hemorrhage? - Answers It weakens the walls
of small, penetrating lenticulostriate arteries, leading to rupture.
What are the 6 typical sites of cerebral hemorrhage caused by hypertension? - Answers 1- Putamen
2- Caudate nuclei
3- Thalamus
4- Corona radiata (deep white matter)
5- Pons
6- Cerebellum
What are the major clinical syndromes of cerebral hemorrhage? - Answers Severe headache, early
stupor and coma along with localizing signs of seizure.
Severe headache, early stupor, and coma suggest cerebral hemorrhaging rather then what? - Answers
Infraction
What are 3 diagnostic evaluations used to determine if a patient has a cerebral hemorrhage? - Answers
1- Clues of bleeding elsewhere, abnormal coagulation tests
2- CT or MRI brain scan - CT without contrast clearly shows recent hemorrhage
3- Angiography when the patient is stable
What are the 4 clinical features of parenchymal hemorrhage due to cerebrovascular accidents or
hemorrhagic stroke? - Answers 1- Sudden loss of consciousness and falling
2- Hemiplegia
3- Convulsions
4- Coma
What are the 2 main forms of therapy for cerebral hemorrhage? - Answers 1- Management of medical
complications and cerebral edema
2- Surgery
What is the crucial factor in consideration of surgery to remove a superficial, nondominant hemispheric
hemorrhage? - Answers A deteriorating level of consciousness
What may the removal of a cerebellar hemorrhage prevent? - Answers Fatal brain stem herniation