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17 Cards in this Set
- Front
- Back
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systole
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ventricles contract
heart is emptying blood pushes through valves into aorta and pulmonary trunk |
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diastole
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ventricles relaxed
heart is filling blood entering ventricles |
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atherosclerosis
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formation of fibrofatty lesions in the lining of arteries
lipids get into the vascular endothelium white blood cells try to clear plaque formation |
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stable plaques
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thick fibrous caps
partially block vessels do not tend to form clot/emboli |
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unstable plaques
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thin fibrous caps
plaque can rupture and cause clot may completely block artery may break free and become embolus |
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peripheral artery disease
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blocked arteries in extremities
usually atherosclerosis caused highest risk: males 70-80 |
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sx of PAD
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intermittent claudication (pain with strenuous activity)
thinning of skin atrophy of leg muscles pallor pulselessness necrosis and gangrene |
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raynaud disease and phenomenon
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intense vasospasm or arteries of fingers
CNS over-response Disease: primary condition Phenomenon: secondary to disease |
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sx of raynaud
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cold, pale, cyonotic hands/fingers -> hyperemia, warm, reddened, burning, throbbing
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aneurysm
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wall of artery weakens and stretches
risk of rupture and hemorrhage risk of clot formation |
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Abdominal aortic aneurysm
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athersclerosis
HTN degeneration of vessel wall pulsatile mass |
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aortic dissection
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acute, life-threatening
hemorrhage into vessel wall tearing of vessel wall |
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sx of aortic dissection
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tearing/ripping pain
BP changes (hypotension) syncope |
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varicose veins
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dilated tortuous veins
incompetent valves or increased intra-abdominal pressure |
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chronic venous insufficiency
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condition as a result of progressive valvulal incompetence to deep veins or DVT
stasis ulcers brown skin pigmentation lymphadema |
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venous thrombosis
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blood clot in vein
thrombophlebitis |
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risks for venous thrombosis
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post surgery
immobilization impaired cardiac function airplane travel elderly hormonal contraception |
