Path-atheroscleoris & HTN CVD Flashcards
What is the usual response of vessels to injury?
Thickening of the tunica intima
-over time this can cause stenosis and occlusion
Blood pressure is a function of ___
Cardiac output and PVR
Secondary HTN causes:
Renal
Endocrine
Cardiovascular
Neurologic
Hardening of the arteries is called ___
Arteriosclerosis
Calcific deposits in muscular arteries in people over 50 that do not involve the lumen. Most insignificant form of arteriosclerosis.
Mönckebergs medial calcific sclerosis
Arteriosclerosis due to endothelial cell injury, with leakage of plasma into arteriolar walls and increased smooth muscle cell matrix synthesis. Arteriolar wall is ___ with increased ___ and narrow lumen (stenosis)
Hyaline arteriosclerosis
Thickened
Plasma protein deposition
“Onion skinning” causing lumenal obliteration. Occurs in severe (malignant) HTN. Laminations are composed of ____
Hyperplastic
Smooth muscle cells with reduplicated, thickened basement membranes
Atherosclerosis is characterized by ____
Fatty and atheromatous the plaques within arterial lumina.
___ is the most frequent and clinically important pattern of arteriosclerosis
Atherosclerosis
Modifiable risk factors for atherosclerosis
Hyperlipidemia
HTN
smoking
DM
Pulmonary hypertensive heart disease (cor pulmonale) is (left/right sided) and systemic hypertensive heart disease is (left/right sided).
Which is more common?
Right
Left
Left sided is more common
Minimal criteria for systemic HTN
- LV hypertrophy (usually concentric, so both the septum and the outer wall are thickened)
- Hx or pathological evidence of HTN
Morphology of systemic HTN
LV hypertrophy and stiffness
Cardiomegaly
Increase in diameter of myocytes
Pulmonary HTN stems from ___ and is characterized by ___
- RV pressure overload
2. RV hypertrophy, RV dilation, potential right HF secondary to pulm HTN
Which type of pulmonary HTN is characterized by marked dilation of the RV without hypertrophy with ovoid shape?
Acute cor pulmonale