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Path Test 3: Blood Vessels
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3 Layers of Blood Vessels
Intima
Media
Adventitia
Intima consists of ?
Endothelial cells
What separates the intima and media?
Internal Elastic Lamina (IEL)
What separates the media and adventita?
External Elastic Lamina
Name 3 Blood Vessel Congenital Abnormalities
Berry aneurysms
Arteriovenous fistulas
Fibromuscular dysplasia
Attenuated media at the Circle of Willis, can rupture
Berry aneurysm (Congenital Abnormallity)
Connecting arteries and veins with no capillaries. Can cause high-output cardiac failure.
Arteriovenous fistulas
Focal irregular thickening of medium an large arteries in young women. Can cause renovascular hypertension.
Fibromuscular dysplasia
Fibromuscular dysplasia causes _______ in young women.
Renovascular hypertension
Hypertensive Valvular Disease affects what percentage of the population?
25%
Name 2 cardiac complications from HTN.
Pressure overload
Ventricular hypertrophy
Essential Hypertension
140/90
Essential hypertension is associated with increased risk of
atherosclerosis
200/120
Malignant Hypertension (5%)
Complications of malignant hypertension
Renal failure
Retinal hemorrhage/exudates
Name 3 types of Arteriosclerosis
Atherosclerosis
ArteriOLOscelrosis
Monckeberg medial calcifcation sclerosis
Hyaline Arteriosclerosis is caused by (2)
Benign HTN
Diabetes
Leakage of plasma contents across injured endothelial cells
Hyaline Arteriolosclerosis results in
Nephrosclerosis
Hyperplastic Arteriolosclerosis
Severe HTN
SMC, duplicated basement membrane
Severe HTN =
Benign HTN=
S= Hyperplastic Arteriolosclerosis
B= Hyaline arteriosclerosis
Structure of atheromatous plaque
Fibrous cap
Necrotic Center with cholesterol center
Risk Factors for Thoracic Aortic Aneurysm (3)
Hypertension
Marfan Syndrome
TGF-B
Major risk factor for aortic dissection.
HTN
Aorta shows medial hypertotrophy of vasa vasorum with degenerative ECM
Aortic Dissection
Marfan's Syndrome is an ___ inheritance with missense mutations in ______gene (15q21)
AD
Fibrillin-1
Malignant vascular tumor
Angiosarcoma
Kaposi Sarcoma is associated with
HHV-8
Eastern European men
AIDs
Transplants
Author
BrookeNH10
ID
184307
Card Set
Path Test 3: Blood Vessels
Description
Blood Vessels
Updated
2012-11-19T03:55:52Z
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