指氧仪是居家简便、快速测量血氧饱和度，判断Covid-19病情严重程度以及是否需要及时就医的重要工具。脉搏血氧仪将两种波长的光穿过身体并测量吸光度变化，以此无创估计血氧饱和度（SpO2）。但其读数可能受到皮肤内黑色素含量的影响，近期来自美国不同 ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give higher readings for patients with darker than lighter skin tones, finds the ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give higher readings for patients with darker than lighter skin tones, finds the ...

NASHVILLE, Tenn. -- Racial biases persist in the use of pulse oximetry devices for patients with acute hypoxemic respiratory failure (AHRF) requiring very high levels of oxygen support, a ...