Download - Diseases Of Heart
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Diseases of
Heart
Pathology-B LabRavi A Patel
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Normal Cardiac cells• Normal Interstitial space
• Normal centrally located nucleusLPOHPO
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M++TB-Pericardium
Myocardial Infarction-MI
Brown Atrophy
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TB-Pericardium• 1st of all we look for Granuloma, which is a classical hallmark
of TB in any organ of the body..
• Clinical presentation- Pericardial effusion– With nonspecific systemic symptoms like night sweats,Fever,fatigue
& weight loss
– Chest pain,cough and breathlessness are common
• Diagnosis- Echocardiography, pericardiocentesis
• Very common in African(sub saharan) with patients having HIV
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Granuloma
LPO LPO
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LPO
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LPO
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LPO
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HPOHPO
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HPO
Giant Cell within the Granuloma
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HPO
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HPO
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LPO
LPO
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LPO
Granuloma with Giant cells and inflammatory reaction
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LPO
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LPO
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Granuloma and Giant cell
LPO
HPO
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LPO
LPO
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Myocardial Infarction-MI• Death of Cardiac muscle resulting from Ischemia.
• Coagulation Necrosis
• Wider than normal(edema) Interstitium
• Inflammatory cells (Neutrophils)
• Extravasation of RBC
• Karyorrhexis, Karyolysis occurs
• Clinical Manifestation:- Rapid weak pulse & often profuse sweating, Angina(chest pain) because of Necrosis
• Complication:- Contractile dysfuntion,Arrythmias,Myocardial rupture.
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Wide Interstitium
LPO
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LPO
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LPO
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LPO
Coagulation necrosis
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LPO
Coagulation necrosis
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LPO
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LPO
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LPO
Coagulation necrosis
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LPO
Coagulation necrosis
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LPO
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LPO
Coagulation necrosis
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HPOKaryorrhexis & Karyolysis
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HPOKaryorrhexis & Karyolysis
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HPOKaryorrhexis & Karyolysis
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HPO
Karyorrhexis & Karyolysis
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HPOInflammatory reactionWith numerous Neutrophils
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HPO
NeutrophilsNeutrophils
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HPO
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Brown Atrophy
• Accumulation of Ageing/wear & tear pigment- lipofuscin near the nucleus.
• It appears to be the product of lipid peroxidation which signifies Membrane damage to mitochondria & lysosomes.
• Reduction in size of muscle cells
• Interstitium becomes wider due to reduction in size of muscle cells
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LPO
•Wide Interstitium•Intact nucleus•Reduction in Muscle size
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LPO
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HPO
•Wide Interstitium•Intact nucleus•Reduction in Muscle size
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HPO•Wide Interstitium•Intact nucleus•Reduction in Muscle size
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HPO
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HPO
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MI Brown Atrophy
HPO
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MI Brown Atrophy
HPO
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MI Brown Atrophy
HPO
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• Normal Heart
– Weight :- Male 300-350 gms Female-250-300 gms
– Usual thickness of the wall
» Right Ventricle—0.3-0.5 cm
» Left Ventricle– 1.3-1.5 cm
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• Left ventricular hypertrophy
• Cause-Hypertension
Hypertensive Heart-Gross specimen
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Thanking to the entire Universe