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A/a Gradient

Satish Deopujari
Trustable Ranking Icon可信任
1K+下载次数
6MB大小
Android Version Icon3.0+
Android版本
1.6(09-12-2018)最新版本
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Age ratingPEGI-3
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A/a Gradient介绍

The variables in this App. are :


RQ :Respiratory Quotient (approx 0.8 at normal physiological state)


PB : Atmospheric pressure.(760 mm Hg at sea level.)


FiO2 : Fraction of Inspired Oxygen. (0.21 at room air.)


PAO2 : Alveolar Oxygen tension


PaO2 : Arterial oxygen tension




These can be independently changed and the reflection of these changes can be seen in the alveolar – arteriolar gradient and PaO2 / FiO2 ratio.




A-a oxygen gradient : The alveolar arterial (A–a) oxygen gradient is a measure of oxygen transfer across alveolar capillary membrane (“A” denotes alveolar and “a” denotes arterial oxygenation). It is the difference between the alveolar and arterial oxygen tension.


A-a oxygen gradient = PAO2 - PaO2.


PaO2 is derived from ABG while PAO2 is calculated.


PAO2 = (FiO2 x [PB - PH2O]) - (PaCO2 ÷ RQ)


[PH2O is the partial pressure of water (47 mm Hg)] & PaCO2 is partial pressure of Carbon di oxide in arterial blood.


A-a gradient varies with age and can be estimated from the following equation, assuming the patient is breathing room air.


A-a gradient = 2.5 + 0.21 x age in years.


A-a gradient increases with higher FiO2.




PaO2/FiO2 ratio : It is a measure of Oxygen transfer across the alveolar capillary membrane. Normal PaO2/FiO2 ratio is 300 to 500 mmHg. Values less than 300 mmHg indicating impaired gas exchange and values less than 200 mmHg indicates severe hypoxemia.




"Alveolar arterial membrane is depicted in this App. as a BLACK LINE (This is purely a conceptual representation of ventilation-perfusion relationship).The thickness of this Black Line is shown to vary depending on the variations in A-a gradient"


在此应用程序中的变量。主要有:


RQ:(在正常生理状态下约0.8),呼吸商


PB:大气压力(760毫米汞柱在海平面)。


氧浓度:吸入氧浓度。 (0.21,在室内空气。)


PAO2:肺泡氧分压


氧分压:动脉血氧分压


 


这些可以独立地改变,并且这些变化的反射可以看出,在肺泡 - 动脉梯度和氧分压/氧浓度比。


 


机管局氧气梯度:牙槽动脉(A-A)的氧梯度是衡量整个肺泡毛细血管膜氧转移的(“A”表示肺泡和“一”是指动​​脉氧合)。它是肺泡和动脉血氧分压之差。


A-一个氧梯度= PAO2 - 动脉血氧分压。


氧分压从ABG衍生而PAO2被计算。


PAO2 =(氧浓度X [PB - PH 2 O) - (二氧化碳分压÷RQ)


[PH2O是水的分压(47毫米汞柱)] PaCO2每碳二氧化物的动脉血氧分压。


随着年龄的氨基酸梯度变化,并且可从下面的等式进行估计,假设患者呼吸室内空气。


A-梯度= 2.5 + 0.21×年龄在年。


A-一个梯度增加具有较高的氧浓度。


 


氧分压/氧浓度比:它是穿过肺泡毛细血管膜氧转移的量度。正常的PaO2 /氧浓度比为300至500毫米汞柱。值小于300毫米汞柱表明气体交换障碍和值小于200毫米汞柱表示严重的低氧血症。


 


“肺泡膜动脉中描述了这个程序。作为一个黑线(这是纯粹的通气血流关系的概念表示)这条黑线的.The厚度示取决于机管局梯度变化来改变”

A/a Gradient - 版本1.6

(09-12-2018)
其他版本
新特性Bug fixes and enhancements

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A/a Gradient - APK信息

APK版本: 1.6程序包: com.lshc.persistent.agetutor.AaGradient
Android兼容性: 3.0+ (Honeycomb)
开发商:Satish Deopujari权限:1
名称: A/a Gradient大小: 6 MB下载次数: 6版本: 1.6发布日期: 2020-05-19 19:58:13最小屏幕: SMALL支持的CPU:
程序包ID: com.lshc.persistent.agetutor.AaGradientSHA1签名: AA:86:DA:FF:B0:B9:F3:05:69:1E:8D:B6:87:65:B2:A2:5F:92:CD:C6开发商 (CN): LHSC_MOBILITY_INVESTMENT组织 (O): PERSISTENT SYSTEMS LIMITED本地 (L): PUNE国家/地区 (C): 91州/市 (ST): MAHARASHTRA程序包ID: com.lshc.persistent.agetutor.AaGradientSHA1签名: AA:86:DA:FF:B0:B9:F3:05:69:1E:8D:B6:87:65:B2:A2:5F:92:CD:C6开发商 (CN): LHSC_MOBILITY_INVESTMENT组织 (O): PERSISTENT SYSTEMS LIMITED本地 (L): PUNE国家/地区 (C): 91州/市 (ST): MAHARASHTRA

A/a Gradient的最新版本

1.6Trust Icon Versions
9/12/2018
6 下载次数6 MB 大小
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