11 Questions
What is the primary cause of an extradural hemorrhage?
Middle meningeal artery rupture from direct trauma
What type of blood accumulation occurs in subdural hemorrhage?
Venous blood accumulation
What are the potential causes of subarachnoid hemorrhage?
Aneurysm rupture, angiomatous malformation, hemorrhagic blood diseases, or brain laceration trauma
In what conditions can petechial hemorrhage occur?
Encephalitis, meningitis, septicemia, and hemorrhagic blood diseases
What is a significant risk factor often associated with massive cerebral hemorrhage?
Hypertension
What is liquefactive necrosis?
It is a type of cell death characterized by the transformation of the tissue into a liquid viscous mass.
What is the most common cause of thrombotic occlusion in cerebral arteries?
Atherosclerosis is the most common cause of thrombotic occlusion in cerebral arteries.
What is a Mycotic Aneurysm and what is it usually associated with?
A Mycotic Aneurysm arises from arterial wall weakening due to mild infection, often associated with subacute bacterial endocarditis.
How can cerebral Aneurysms affect the brain tissue?
Cerebral Aneurysms can cause pressure on surrounding brain tissue.
What is the typical source of Embolism leading to cerebral infarction?
Embolism typically arises from sources such as cardiac mural thrombi.
What are the effects of vasculitis on cerebral blood vessels?
Vasculitis can lead to luminal narrowing, occlusion, and subsequent cerebral infarcts.
Learn about the definition of infarction as a focal cerebral ischemia and its appearance as liquefactive necrosis. Explore the causes including embolism from conditions like myocardial infarction, valvular disease, and atrial fibrillation, and thrombotic occlusion.
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