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Practical Pathophysiology
Dr Tarek Atia
Brown atrophy of the heart: Sign of Cardiac aging
Atheroma of an Artery:
atherosclerosis
Myocardial infarction
Wavy fibers is an early sign of myocardial infarction
Myocardial infarction:Coagulative necrosis and a few inflammatory
cells
Myocardial infarction:Coagulative necrosis, interstitial bleeding, and a few
inflammatory cells.
Dilated heart in myocarditis
Dilated cardiomyopathy
Cardiomyopathy (trichrome stain): extensive fibrosis (blue) between the myocytes.
The myocytes also vary in size.
Hypertrophic cardiomyopathy
Hypertrophic cardiomyopathy : myofiber dysarray ;
not all fibers are pulling the same direction. Thus the
contraction is ineffective.
Broncho-pneumonia
Lobar Pneumonia – Gray hep…
Bronchopneumonia
Lung Abscess:
Obstructive bronchus: chronic bronchitis or bronchial asthma