心血管系统疾病 Flashcards

1
Q

粥样动脉硬化的致病因素

A
  1. 高脂血症
  2. 高血压
  3. 吸烟
  4. 其他(内分泌、遗传、糖尿病)
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2
Q

粥样硬化病理变化

A
  1. 指纹及脂斑
  2. 纤维斑块
  3. 粥样斑块
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3
Q

粥样斑块的继发性变化

A
  1. 斑块内出血
  2. 粥样溃疡
  3. 血栓形成
  4. 钙化
  5. 动脉瘤形成
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4
Q

冠状动脉粥样硬化性心脏病(冠心病)coronary heart disease

A

可分为心绞痛、心肌梗死和心肌硬化三型。由于冠状循环改变引起冠状动脉血液供应与心肌需求之间不平衡而造成的心肌损害,故均属于缺血性心脏病(ischemic heart disease) 的范畴。

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5
Q

心绞痛

A

由于心脏急性暂时性缺血缺氧所致的以胸痛为特点的临床综合征

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6
Q

心肌梗死 myocardial infarction

A

心肌由于严重持续性缺氧而引起的坏死。最常见于冠状动脉的急性闭塞。

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7
Q

动脉粥样硬化 (atherosclerosis)

A

是一种血脂异常,在动脉内膜有脂质沉积,并伴有血管平滑肌增殖及纤维基质沉积形成纤维硬化斑块,继而斑块深部成分坏死与脂质混合形成粥样物质,并使动脉管壁变硬为特点的原发于动脉内膜的疾病。

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8
Q

高血压的发病因素

A

遗传因素、饮食因素、职业和社会心理应激因素、其他因素(年龄、肥胖、吸烟、等)

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9
Q

风湿性心脏病

A

风湿病最常累及心脏,急性期表现为风湿性心内膜炎、风湿性心肌炎、及风湿性心包炎。

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10
Q

风湿病

A

风湿病是一种与A族乙型溶血性链球菌感染有关的超敏反应性疾病。

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11
Q

风湿病的基本病理变化

A
  1. 变质渗出期:结缔组织黏液样变形及胶原纤维发生纤维素样坏死。
  2. 增生期:细胞增生形成风湿小体。
  3. 纤维化期:风湿小体发生纤维化形成瘢痕。
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12
Q

风湿病的增生期

A

风湿小体多发生于心肌间质(小血管旁),心内膜下和皮下结缔组织,略呈梭形,其中心为纤维素样坏死灶,周围有风湿细胞增生及少量淋巴细胞、单核细胞浸润。

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13
Q

风湿细胞

A

胞质丰富,嗜碱性,单核或多核,核大呈空泡状,染色质集中于中央,纵切面如毛虫状,横切面则如枭眼状。

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