肺水肿这种疾病，是非常常见的，生活中大家不要忽视，以免造成呼吸困难，导致更多的危害出现，这疾病发生后，很多的患者会出现咳嗽，胸闷，呼吸困难，发冷汗，心动过速。那么肺水肿在出现时会有哪些常见症状呢?
\n肺水肿的症状
\n肺水肿间质期，患者常有咳嗽、胸闷，轻度呼吸浅速、急促。查体可闻及两肺哮鸣音，心原性肺水肿可发现心脏病体征。肺水肿液体渗入肺泡后，患者可表现为面色苍白，紫绀，严重呼吸困难，咳大量白色或血性泡沫痰，两肺满布湿罗音。血气分析提示低氧血症加重，甚至出现CO2潴留和混合性酸中毒。
\n典型的急性肺水肿，可根据病理变化过程分为4个时期，各期的临床症状、体征分述如下。
\n间质性水肿期：主要表现为夜间发作性呼吸困难，被迫端坐位伴出冷汗及不安，口唇发绀，两肺可闻及干啰音或哮鸣音，心动过速，血压升高。
\n肺泡性水肿期：主要表现严重的呼吸困难，呈端坐呼吸，伴恐惧窒息感，面色青灰。皮肤及口唇明显发绀，大汗淋漓，咳嗽，咳大量粉红色泡沫样痰，大小便可出现失禁。两肺满布突发性湿性啰音。
\n休克期：在短时间内大量血浆外渗，导致血容量短期内迅速减少，出现低血容量性休克，同时由于心肌收缩力明显减弱，引起心源性休克，出现呼吸急促、血压下降、皮肤湿冷、少尿或无尿等休克表现，伴神志、意识改变。
\n终末期：呈昏迷状态，往往因心肺功能衰竭而死亡。
\n肺水肿的检查。
\n动脉血氧分压(PAO2)
\n氧分压是表示溶解在血中的氧分子所产生的压力。因氧分压与细胞利用氧的情况有关。
\n二氧化碳分压(PCO2，PCO2)
\n二氧化碳分压又称二氧化碳张力，指血浆中溶解的二氧化碳所产生的压力。由于二氧化碳分子具有较强的弥散能力，故血液二氧化碳分压基本上反映了肺泡二氧化碳分压的平均值，即代表了呼吸成分。通常抽动脉血，用血气分析仪测定。二氧化碳分压测定主要用于判断是呼吸性酸中毒还是呼吸性碱中毒。
\n胸部透视
\n透视是病人置于X线管与荧光屏之间的直接检查。可做全面动态的直接观察，如心脏搏动、横隔活动、胃肠蠕动、关节活动等。也可在X线造影检查中用以定位观察、胃肠造影检查、指示诊疗操作，如心导管插管、骨折复位、异物摘除等。X线透视应用最多的部位是胸部，检查肺部、胸膜、纵隔及心脏、大血管病变。也可用于四肢骨、软组织、体腔内异物及气体、结石、避孕环等的检查。
\n胸部平片
\n胸部平片，也称胸部摄片检查。摄片检查所得的X线影像远比透视时清晰，其优势有：(1)受检部位的影像永久保留在胶片上，可供分析、讨论及复查对照;(2)可作为科研资料保存;(3) 摄片可显示微细结构，如2MM以上的早期病源较透视清晰。(4)摄片能够检查人体较厚部位，并使患者接受X线量较少。
\n经过上述的专业分析之后，大家对于症状有了一定的了解，这种疾病会影响到肺部的健康，严重的时候还会导致死亡，因此若是出现了异常，患者应该积极的进行检查，合理的进行治疗，以免失去最佳治疗时间。
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肺不张表示肺的部分或完全无气，体积萎陷。肺不张是一个病征，而不是病名，故需寻找引起肺不张的病因。
症状
症状: 肺不张的临床表现差异较大，和肺不张的范围及其引起肺不张的病因密切相关，一侧性肺不张，常伴有明显的呼吸困难，体格检查常发现患侧胸廓变形、呼吸音消失、叩诊实音、气管向患侧移位等改变，而局限性的肺不张症状可不明显，临床体征也不典型。中心型肺癌引起的肺不张，常有刺激性咳嗽、咳血丝痰、呼吸困难等由肿瘤引起的临床改变。
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血胸的早期症状
一.临床表现
小量血胸(500ml以下)，如果患者体质较好、出血速度不快，可无明显症状。大量血胸(1000ml以上)，且出血速度较快者，可出现面色苍白、出冷汗、脉细速且弱、呼吸急促、血压下降等内出血征象和心肺受压征象。查体可发现肋间隙饱满、气管向健侧移位、叩诊呈浊音、心界移向健侧、听诊呼吸音减弱或消失。血气胸患者上胸叩诊呈鼓音，下胸叩诊呈浊音。由于肺裂伤而引起的血胸患者常伴有咯血。开放性血气胸患者可直接观察到血液随呼吸自创口涌出的情况，并可据此估计胸内出血的严重程度。
二.诊断
有胸部创伤史(包括医源性所致) \n自发性血胸有咳嗽、腹压增加、负重、疲劳、运动、突然变换体位等诱因。有相应临床表现和胸片检查结果一般可作出诊断。胸腔穿刺来确立诊断。
胸膜腔积血可引起低热，但如出现寒战高热、白细胞计数增多等化脓性感染征象，则应穿刺抽液送作细菌涂片和培养检查。
血胸演变形成纤维胸，如范围较大者可出现病侧胸廓塌陷，呼吸运动减弱，气管、纵隔向病侧移位，肺通气量减少。x线检查显示纤维板造成的浓密阴影。
三.有下列情况者提示出血仍在继续应高度警惕：①患者处于严重休克状态伴有明显呼吸困难，患侧肋间隙增宽，叩诊浊，气管及纵隔向健侧移位，周围血液血红蛋白往往低于90～100g/l。②开放性胸部创伤伴休克状态，有大量血液随呼吸从伤口涌出;③胸腔穿刺抽得的血液很快凝固(肯定不是误刺入血管)，则说明胸内有活动性出血;④经输血补液后，血压不回升或升高后又迅速下降;⑤重复测定人体周围血血红蛋白、红细胞计数、红细胞比容，呈进行性持续下降;⑥胸膜腔穿刺抽不出血，但内出血症状加重，x线胸片显示胸膜腔阴影继续增大;⑦放置胸腔闭式引流后，每小时引流量超过200ml并持续2h以上，或24h引流血液超过1000ml;⑧胸腔引流血液色鲜红，温度较高，其血红蛋白测定及红细胞计数与周围血液相近似。
气胸有哪些症状？在我们日常生活中比较常见的一种疾病，但是许多人对此疾病都不怎么了解，气胸的发病通常发病都比较急，也有的发病缓慢一些，发病慢的患者有时候甚至没有感觉到什么不适的症状。有些病人在发病前可能会由于用力咳嗽、持重物、屏气或者剧烈活动而诱发了气胸，症状的轻重还要根据病人病情发展的快慢、病人肺部的萎缩情况、肺部的原发疾病以及患者本身的心肺功能等来决定。下面我们就来给大家详细的介绍一下气胸会有哪些症状。
\n气胸发病的常见症状
\n1、呼吸困难
\n气胸发作时病人均有呼吸困难，其严重程度与发作的过程、肺被压缩的程度和原有的肺功能状态有关。在年轻的呼吸功能正常的病人，可无明显的呼吸困难，即使肺被压缩>80%，亦仅能在活动时稍感胸闷，而在患有慢性阻塞性肺气肿的老年病人，肺被轻度压缩就有明显的呼吸困难。急性发作的气胸，症状可能更明显，而慢性发作的气胸，健侧肺脏可以代偿性膨胀，临床症状可能会较轻。
\n2、刺激性咳嗽
\n自发性气胸时偶有刺激性咳嗽。
\n3、胸痛
\n常在发生气胸当时出现突然尖锐性刺痛和刀割痛，与肺大疱突然破裂和肺被压缩的程度无关，可能与胸膜腔内压力增高、壁层胸膜受牵张有关。疼痛部位不肯定，可局限在胸部，亦可向肩、背、上腹部放射。明显纵隔气肿存在时，可出现持续的胸骨后疼痛。疼痛是气胸病人最常见的主诉，而且在轻度气胸时，可能是惟一症状。
\n4、其他症状
\n气胸合并血气胸时，如出血量多，病人会心悸、血压低、四肢发凉等。
\n以上就是关于气胸的症状的介绍了，您是否都了解了呢？了解了之后，那么我们在日常生活中如果发现自己由以上症状，那么就应该及时的去医院进行诊断治疗，以免病情恶化，最后祝您身体健康！
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结核菌感染胸腔的初期，发生急性炎变、充血、渗出，形成散在结核结节，胸腔积液为浆液性，含白细胞及纤维蛋白，经过段较长时间逐渐变为慢性结核性脓胸，纤维板厚而坚硬，并常有钙化。纤维板收缩使肋间隙变窄，肋骨变形呈截面三角形，肋间肌肉萎缩，脊柱凸向健侧。脓胸可以是局限性的或全脓胸。有时脓胸向肋间破溃，甚至侵犯肋骨，形成寒性脓肿或破出皮肤形成皮肤窦道，长期流脓不止。
\n结核性脓胸的临床表现很不一致，多数起病缓慢，以乏力、低热为主要症状，其次不盗汗、胸闷、干咳等，脓胸早期胸膜的吸收力较强，中毒症状较明显。如果积脓较多也可以出现气急、呼吸困难等症状。当发生支气管胸膜瘘时，会有刺激性咳嗽，同时咳脓痰与体位有关。健侧卧位时咳嗽及脓痰增加。如果因为支气管胸膜瘘而引起结核播散，中毒症状会非常明显，病情危重。合并感染后，高热、白细胞增多，症状同急性脓胸相似。
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