Cardiovascular practical Block Practical II. Cardiovascular practical Block 8-Chronic venous...
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Cardiovascular practical Block
Practical II
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Cardiovascular practical Block
8-Chronic venous congestion of the liver
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NUTMEG LIVER
Section of liver showing alternating pale and dark areas with a nutmeg like appearance possibly due to passive congestion secondary to right sided heart failure.
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Cardiovascular Block
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Cardiovascular Block
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Chronic venous congestion of the liver:
Section of liver shows:
The central portion of liver lobules shows: Congestion and dilatation of central veins
and blood sinusoids, Atrophy and necrosis of liver cells.
Kupffer cells contain few brown haemosiderin pigment granules.
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Cardiovascular practical Block
9-Chronic venous congestion of the lung
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Left ventricular hypertrophy.
Thickened left ventricular wall most likely due to hypertension.
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Chronic venous congestion of the lung:
Section of lung shows:
The alveolar walls are thickened by dilated and engorged capillaries.
The alveoli are dilated and contain edema fluid, red blood cells and large alveolar macrophages (heart failure cells), which are filled with haemosiderin pigment derived from red cells breakdown.The likely cause of CVC lung is Heart Failure.
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Cardiovascular Block
10-Thromboangitis oblitrans (Buerger disease)
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10-Thromboangitis oblitrans (Buerger`s disease)
Black discoloration of fingers consistent with early gangrene.
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Thromboangiitis obliterans• Also known as Buerger's disease, is a recurring
segmental thrombosing (clotting), acute and chronic inflammation of small and medium arteries and veins of the hands and feet.
• It is strongly associated with use of tobacco products.
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Cardiovascular Block
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BUERGER’S DISEASE
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Thrombosis and luminal obliteration of the blood vessels Segmental inflammatory infiltration in the blood vessel wall (arteries and veins) comprising of mainly neutrophills
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Cardiovascular practical Block
11-Giant cell ( temporal ) arteritis
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Giant cell arteritis
Tender and thickened scalp veins
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Giant cell arteritis
Superficial temporal artery biopsy - intimal thickening and medial damage, giant cells with inflammatory cell infiltration in the
internal elastic lamina
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Giant cell (temporal) arteritis:Disruptions of the elastic lamina with inflammation and giant cells.
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Cardiovascular practical Block
12-Leukocytoclastic / hypersensitivity vasculitis ( microscopic polyangitis)/
Pauci immune vasculitis
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Leukocytoclastic vasculitis, foot. The purpuric eruption (Subcutaneous bleeding patches) tends to be most pronounced on dependent areas.
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Vasculitis, leukocytoclastic, (low power)
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