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)

Q

A

White part - old infarctions

thin area could lead to aneurysms

Q

A

lung with edema

minimal hemorrhage typical of heart failure

Q

A

LVH

Q

A

Aortic valve with stenosis

possible vegetations

Q

A

vegetation on a valve

bacterial endocarditis

Q

A

black arrow = normal valve

red arrow = vegetation

distorted valve, partially destroyed by bacterial colonies and inflammatory cells

Q

A

normal valve

Q

A

bacterial vegetations

valve distorted, partially destroyed by bacterial colonies and inflammatory cells

Q

A

bacterial colonies in endocarditis

Q

A

aortic dissection

dissecting aneurysm

green - original channel

red - new channel