血氧仪,用两束不同波长的光,通过透视夹指式传感器照射人体指甲尖而由光敏元件获取测量信号检测到血样饱和度和心率。
血氧仪可分为脉搏血氧仪、手指脉搏仪、掌式脉搏仪三种。
动脉血氧饱和度是反映人体呼吸功能及氧含量是否正常的重要参数,氧气是生命活动的基础,缺氧是导致许多疾病的根源,许多疾病也会造成氧供给的不足,所以,实时检测对人体健康尤为重要。健康的大脑供养不足,能激活脑细胞,使人精力充沛,思维敏捷,有效保证快捷的工作效率,防止紧张,缓和日常生活压力,延长衰老,因此血氧在脑组织代谢中占有十分重要的地位。
脉搏血氧仪已经得到临床认可并广泛应用于手术室、监护室、急救病房、病人运动和睡眠研究中!
pi即为灌注指数。通常pi作为一个参数指标,能反映出被检测者的肢体灌注状况,表明机器的检测精度。即在低灌注和弱灌注的条件下仍能检测,一般值为0.2%——20%。而且,通过pi的显示,还能表明被检测者本身的肢体状况问题,即当出现低灌注时,表明被检测者是否有其本身原因造成的如心脏问题、休克等情况,同时也能反映出是否有外部因素等造成的原因如天冷、末梢循环较差等情况,从而通过以上情况来进行判断!
指套式脉搏血氧仪体积小,功耗低,使用方便,便于携带。测量时只要将手指插入指套式光电传感器中,显示屏就会直接显示所测血氧饱和度值。临床实验表明具有较高的准确性。
掌式血氧仪可检测三个参数:脉搏、血氧、体温。该产品主要用于医院临床科室、病房、门诊、家庭、社区医疗等。
属于以下这几种人,请赶快配备血氧监护仪:
1. 血管疾病的人(冠心病.高血压.高血脂.脑血栓……..)
血管腔有脂质沉积,血液不畅.供氧困难
心脑血管病人,血液粘稠,加上冠状动脉硬化,血管腔狭窄,从而供血不畅,供氧困难。身体每天都在“缺氧”。长期轻度缺氧,心脏.大脑等耗氧特大的器官功能会渐渐衰退。
重度缺氧,便会发生“心梗”、“脑梗”,不及时供氧急救,会遭致碎死。因此心脑血管病人长期用脉搏血氧检测血氧含量,能有效预防危险发生,如果出现缺氧状况,第一时间做出补氧决定,大大减少疾病发作机会。
2. 有呼吸系统疾病的人(哮喘.气管炎.老慢支.肺心病。。。。。。)
呼吸困难导致吸入氧气量有限,造成心肺、大脑甚至肾脏不同程度的损伤。
呼吸系统病人的血氧检测的确很重要,一方面呼吸困难会导致摄氧不足,另一方面,哮喘的持续,也会使细小的支器官被堵塞,使气体交换发生困难,导致缺氧发生,造成心肺.大脑甚至肾脏不同程度的损伤。因此用脉搏血氧仪检测血氧含量,大大降低呼吸道发病率。
3. 60岁以上的老年人
心肺器官生理老化,.供氧不足,身体状况自然下降。
人体依赖血液传输氧气,血少了,氧气自然就少了。氧少了,身体状况自然下降,因此老年人要每天用脉搏血氧检测血氧含量,一旦血氧低于警戒水平,需尽快补氧。
4. 每天工作超过12小时的人
大脑耗氧量增大,氧气供应不能满足消耗
大脑耗氧量占全身摄氧量的20%,脑力劳动过渡,大脑耗氧量必然上升。而人体能够摄入的氧有限,消耗多,摄入少。除了造成头晕.乏力.记忆差.反映迟钝等问题之外,同样会对大脑心肌造成严重伤害.甚至是过劳死亡,所以每天学习或工作12小时的人群,一定每天用脉搏血氧检测血氧含量,时时监控血氧健康,确保心脑安康。
【监测】
血液中含氧量大于等于95,为正常指标;每分钟脉搏在60-100次之间,为正常指标。如果您检测下来的数值均不符合上述两大指标,请于不同时间点分别检测2-3次,保持2-3天的连续检测,如果数值依然不符合标准,建议您去医院详细求症。
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