CV pathology Flashcards by Ailin Li

Q

R Atrium

A

atrial appendage: broad attachment neck, blunt tip Internal features: - smooth sinus venarum connecting SVC&IVC - crista terminalis with perpendicular pectinate trabeculae - fossa ovalis with distinct limbus - coronary sinus

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Q

A

Right atrium

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Q

RV

A

• inlet is tricuspid valve
• multiple small papillary muscles
• coarse trabecular zone
• muscular infundibulum (outlet)
- trabecula septomarginalis
- lack of fibrous continuity between atrioventricular valve (tricuspid) and arterial valve (pulmonary)

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Q

LA

A

• atrial appendage
- narrow attachment neck
- hooked tip
• internal features
- pectinate muscles confined to atrial appendage
- smooth pulmonary vein component
- irregular flap valve or plaque of foramen ovale

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Q

LV

A

• inlet is mitral valve with 2 distinct papillary muscles
• fine trabecular zone
• smooth subarterial septum
• fibrous continuity of atrioventricular valve (mitral) and
arterial valve (aortic)

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Q

A

perimembranous VSD

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Q

A

muscular (probe) VSD and perimembranous VSD

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Q

A

complete AVSD (often seen in Down’s syndrome)

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Q

A

TOF

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Q

A

transposition of the great arteries

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Q

A

Truncus arteriosus

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Q

A

Hypoplastic left heart

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Q

A

Endocardial fibroelastosis

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Q

A

MI

anterior wall rupture

few days after event

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Q

A

acute MI

extensive hemorrhage secondary to capillary ischemia + necrosis

loss of myocyte nuclei

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Q

A

very acute MI

extensive hemorrhage secondary to capillary ischemia and necrosis

loss of myocyte nuclei

Q

A

MI

infiltration of PMN

Q

A

MI

PMN infiltration

loss of myocyte nuclei

Q

A

hemorrhage into an atherosclerotic plaque in a CA

subsequent thrombus of lumen leading to acute MI

Q

A

old (white) MI

small ventricular aneurysm with mural thrombus

scarred wall contracts, not able to withstand force –> aneurysm

mural thrombus from acute MI

Q

A

old infarct with residual viable myocardium

necrosed tissue appears white (fibrosis)

Q

A

Severe aortic stenosis

Q

A

AAA (bulge)

Q

A

LVH

(small infarct - microscopic)

White part - old infarctions thin area could lead to aneurysms

lung with edema minimal hemorrhage typical of heart failure

LVH

Aortic valve with stenosis possible vegetations

vegetation on a valve bacterial endocarditis

black arrow = normal valve red arrow = vegetation distorted valve, partially destroyed by bacterial colonies and inflammatory cells

normal valve

bacterial vegetations valve distorted, partially destroyed by bacterial colonies and inflammatory cells

bacterial colonies in endocarditis

aortic dissection dissecting aneurysm green - original channel red - new channel