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Infarction Definition and Causes

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Questions and Answers

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 Signup and view all the answers

What is a significant risk factor often associated with massive cerebral hemorrhage?

Hypertension Signup and view all the answers

What is liquefactive necrosis?

It is a type of cell death characterized by the transformation of the tissue into a liquid viscous mass. Signup and view all the answers

What is the most common cause of thrombotic occlusion in cerebral arteries?

Atherosclerosis is the most common cause of thrombotic occlusion in cerebral arteries. Signup and view all the answers

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. Signup and view all the answers

How can cerebral Aneurysms affect the brain tissue?

Cerebral Aneurysms can cause pressure on surrounding brain tissue. Signup and view all the answers

What is the typical source of Embolism leading to cerebral infarction?

Embolism typically arises from sources such as cardiac mural thrombi. Signup and view all the answers

What are the effects of vasculitis on cerebral blood vessels?

Vasculitis can lead to luminal narrowing, occlusion, and subsequent cerebral infarcts. Signup and view all the answers