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“ The true measure of a man is how he treats someone who does him absolutely no good.”    – Ann Landers
Pathology of  Cerebro-vascular Disease   (Stroke) Dr. Venkatesh M. Shashidhar Associate Professor of Pathology Fiji School of Medicine
Introduction: ,[object Object],[object Object]
Introduction: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Brain Blood Supply Features: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Stroke Types: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Common Types and Incidence: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Etiology: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Risk factors: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Clinical Categories: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Global Ischemia: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Causes of hypotension ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Watershed/Boundary zone infarcts:
 
Focal Ischemia: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Embolism formation:
Local infarction: Cell death ~ 6min central infarct area or  umbra ,  surrounded by a  penumbra  of ischemic tissue that may recover
Haemorrhagic - Arterial embolus
Infarct Pathogenesis: ,[object Object],[object Object],[object Object],[object Object],[object Object]
Infarct Stages: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cerebral edema
Edema, loss of demarcation:
Acute Infarction: Oedema
Cerebral Infarct : Red Neurons
Cerebral Infarct - 1 Week
Cerebral Infarct - 2 Weeks
Cerebral Infarction: Macrophages
Cerebral Infarct - Cyst formation
Infarct with Punctate hemorrhage
Cerebral Infarction - Late
C. Infarct - Cyst formation
’ Smile’ at each other, smile at your friends, smile at your partner, smile at strangers - it doesn't matter who it is – This  will help you to grow up in greater love for each other. Mother Teresa 1910-1997, Roman Catholic Missionary
Intracranial Hemorrhage: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
Hypertensive CVD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Subarachnoid Hemorrhage:
Ruptured Berry Aneurism
 
Intraventricular Hemorrhage:
Cerebral Infarction   hemorrhage
Cerebral Infarction   hemorrhage
Lacunar Infarct in pons
Summary: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Ischemic penumbra:
“ The ultimate measure of a man is not where he stands in moments of comfort, but where he stands in time of challenge and controversy”    – Martin Luther King Jr.
Anatomy – Stroke.
Left (Dominant) Hemisphere Stroke: Common Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Right (Non-dominant) Hemisphere Stroke: Common Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Brain Stem Stroke: Common Pattern ,[object Object],[object Object]
Brain Stem / Cerebellum / Post Hemisp. Patterns. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Investigations: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
“ We must all suffer from one of two pains: the pain of discipline or  the pain of regret” The difference is Discipline weighs ounces.. while regret weighs   ton’s..!   Jim Rohn
Hypertensive Intracerebral Hem:  Sites 1.  Putamen-Claustrum 2.  Cerebral white matter 3. Thalamus 4.  Pons 5.  Cerebellum 55% 15 10 10 10
Stroke types and incidence:
Anatomy – Stroke.

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Pathology+of+stroke