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1、Atherosclerosis动脉粥样硬化Signsandsymptoms:Atherosclerosisisaconditioninwhichanarterywallthickensasaresultoftheaccumulationofplaque.Theplaqueismadeupoffat,cholesterol,calcium,andothersubstancesfoundintheblood.Overtime,plaquehardensandnarrowsthepatient’sarteries.Thislimitstheflowofoxygen-rich
2、bloodtotheirorgansandotherpartsofthebody,itcanalsoleadseriousproblems,including:Coronaryarterydisease:Thesearteriessupplybloodtoourheart.Whentheyareblocked,wecansufferanginaoraheartattack.Carotidarterydisease:Thesearteriessupplybloodtoourbrain.Whentheyareblockedwecansufferastroke.Periph
3、eralarterialdisease:Thesearteriesareinourarms,legsandpelvis.Whentheyareblocked,wecansufferfromnumbness,painandsometimesinfections.Chronickidneydisease:Therenalarteriessupplybloodtoourkidneys.Ifplaquebuildsupintherenalarteries,thediseaseoccurs.Overtime,chronickidneydiseasecausesaslowloss
4、ofkidneyfunction.Causes:Themaincauseofatherosclerosisisyetunknown,butishypothesizedtofundamentallybeinitiatedbyinflammatoryprocessesinthevesselwallinresponsetoretainedlow-densitylipoprotein(LDL)molecules.Also,cytomegalovirus(CMV)infectionisassociatedwithcardiovasculardiseases.Treatments
5、:Non-pharmaceuticalmeansareusuallythefirstmethodoftreatment,suchascessationofsmokingandpracticingregularexercise.Ifthesemethodsdonotwork,medicinesareusuallythenextstepintreatingcardiovasculardiseases,and,withimprovements,haveincreasinglybecomethemosteffectivemethodoverthelongterm.部分单词介绍
6、：1、atherosclerosis:[,æθərəʊsklɪə'rəʊsɪs;-sklə-]动脉粥样硬化2、symptom:['sɪm(p)təm]n.症状；征兆3、artery:['ɑːtərɪ]n.动脉；干道；主流4、accumulation:[əkjuːmjʊ'leɪʃ(ə)n]n.积聚，累积；堆积物5、plaque:[plæk;plɑːk]n.斑块6、cholesterol:[kə'lestərɒl]n.[生化]胆固醇7、coronary:['kɒr(ə)n(ə)rɪ]adj.冠的；冠状的8、angina:[æn'dʒaɪnə]n.心绞痛9、carotid:
7、[kə'rɒtɪd]n.颈动脉adj.颈动脉的10、peripheral:[pə'rɪf(ə)r(ə)l]adj.外围的；次要的11、pelvis:['pelvɪs]n.骨盆12、chronic:['krɒnɪk]adj.慢性的；长期的；习惯性的13、hypothesize:[haɪ'pɒθɪsaɪz]vt.假设，假定vi.假设，假定14、fundamentally[,fʌndə'mɛntəli]adv.根本地，从根本上；基础地15、initiate[ɪ'nɪʃɪeɪt]vt.开始，创始；发起；使初步了解16、inflammatory:[ɪn'flæ
