当前位置:首页>PPT>【护理教学】氧疗技术的规范护理PPT|适应症与给氧方式+“四看四防”观察要点+五大常见错误剖析

【护理教学】氧疗技术的规范护理PPT|适应症与给氧方式+“四看四防”观察要点+五大常见错误剖析

  • 2026-08-22 08:53:58
【护理教学】氧疗技术的规范护理PPT|适应症与给氧方式+“四看四防”观察要点+五大常见错误剖析

氧疗是临床通过提高患者吸入氧浓度,从而改善组织缺氧状态的一种治疗措施,简单理解,就是通过人为增加机体获得的氧气,改善身体“氧供不足”的状态。

当患者出现呼吸系统疾病、循环障碍、创伤、感染等情况时,这一供氧过程可能发生障碍。

氧疗并不是简单“给氧”,真正的氧疗需要考虑:①患者是否缺氧、②缺氧程度如何、③应给予多少氧、④如何监测治疗,因此氧疗属于治疗行为,需要评估、实施与持续监测。

临床缺氧主要来源于四类问题:肺通气障碍(如呼吸暂停、呼吸肌无力,氧进不了肺)、肺泡换气障碍(如肺炎、肺水肿、哮喘,氧进不了血)、血液运输障碍(如心力衰竭,氧送不到组织)以及组织利用障碍(如严重感染时细胞不会用氧)。

氧疗核心目标是纠正缺氧、减轻呼吸负担和保护重要器官,保证关键器官灌注。

需要氧疗的人群包括低氧血症患者(血氧饱和度SpO₂、动脉血氧分压PaO₂下降)、呼吸系统疾病患者(肺炎、哮喘急性发作、慢性阻塞性肺疾病急性加重)、循环障碍患者(休克、心力衰竭、心肌梗死)、围手术期患者(麻醉后易出现呼吸抑制)及急危重症患者(严重创伤、心肺复苏、急性呼吸衰竭)。

临床常见给氧装置中,鼻导管吸氧属低流量给氧,流量1-6L/min,操作简便不影响进食交谈耐受度高,但氧浓度受呼吸影响高流量体感差;面罩吸氧覆盖口鼻供氧适用于中度缺氧,面罩漏气会降低吸氧效果,护理需保持密闭防范压伤定时巡查;储氧面罩通过储氧袋存氧可输出高浓度氧,用于重度低氧、创伤及抢救,注意储氧袋需持续充盈,袋体完全塌陷代表供氧不足。

氧疗巡视观察遵循“四看四防”原则。

一看血氧——监测SpO₂,评估氧疗效果和变化趋势,防持续缺氧;

二看呼吸——观察呼吸频率、深浅、节律,防呼吸衰竭;

三看皮肤黏膜——留意鼻腔、鼻翼、耳后损伤及干燥问题,观察有无压伤红肿受压,关注黏膜干燥破损情况,防干燥压伤;

四看意识——观察是否清醒对答切题、是否出现嗜睡烦躁、是否反应迟钝或意识模糊,防病情恶化。

临床最易出现的五大氧疗错误包括:

血氧下降盲目调高流量未排查诱因易延误病情;

装置选用不当如重度缺氧仍使用鼻导管;

仅看仪器数值忽视患者实际症状;

吸氧后未及时巡视,脱管、漏气、压伤无法及早处理;

健康宣教缺失,患者私自调节氧流量增加安全风险。

当患者血氧下降至89%时,护士不应立即将氧流量调至10L/min,应先评估意识状态、呼吸情况和缺氧原因,然后根据病情选择适当给氧方式。

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  1. CONNECT:[ UseTime:0.000827s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000748s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001741s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000316s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000537s ]
  6. SELECT * FROM `set` [ RunTime:0.000232s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000547s ]
  8. SELECT * FROM `article` WHERE `id` = 550641 LIMIT 1 [ RunTime:0.000493s ]
  9. UPDATE `article` SET `lasttime` = 1787679705 WHERE `id` = 550641 [ RunTime:0.008733s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000269s ]
  11. SELECT * FROM `article` WHERE `id` < 550641 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001426s ]
  12. SELECT * FROM `article` WHERE `id` > 550641 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000387s ]
  13. SELECT * FROM `article` WHERE `id` < 550641 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004388s ]
  14. SELECT * FROM `article` WHERE `id` < 550641 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.017861s ]
  15. SELECT * FROM `article` WHERE `id` < 550641 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003611s ]
0.188264s