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急救培训走进南宁儿童康复中心(5)

2026-02-09 12:11:36

急救培训走进南宁儿童康复中心(5)

当冠状动脉发生堵塞时，心肌因缺血缺氧会出现以疼痛为主要表现的症状，其中最具代表性的是胸骨后压榨样疼痛，即临床常见的心绞痛。心绞痛的不适感受并非骤发骤止，而是呈渐起渐落的特点，痛感由轻到重再逐渐缓解。尽管名为心绞痛，但这种不适并非典型的痛感，难以精准描述，更多表现为胸部的压迫感、压榨感、沉重感、紧缩感、憋闷感甚至窒息感，而非明确的疼痛。心绞痛的发作多存在明确诱因，多在心脏负荷增加时出现，如运动、情绪激动、接触冷空气等，且具有运动后不适加重、休息后可缓解的典型特点。其不适部位也具有广泛性和多变性，并非局限于心前区，可出现在心前区或胸骨后，还会向牙齿、面颊、下颌、左肩、左上肢、咽喉部或上腹部放射。

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SELECT * FROM `article` WHERE `id` < 472705 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005092s ]

0.125121s

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