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  • What SpO2 oxygen level is normal for COVID-19 patients

    What SpO2 oxygen level is normal for COVID-19 patients

    For normal people, SpO2 would reach to 98%~100%. Patients who have coronavirus infection, and for mild and moderate cases, SpO2 may not be significantly affected. For severe and critically ill patients, they have difficulty breathing, and oxygen saturation may decrease. ...
  • What is the function and works of fingertip pulse oximeter?

    What is the function and works of fingertip pulse oximeter?

    Fingertip pulse oximeter was invented by Millikan in the 1940s to monitor the concentration of oxygen in arterial blood, an important indicator of the severity of COVID-19. Yonker now explains how fingertip pulse oximeter works? Spectral absorption characteristics of bio...
  • Usage and working principle of multiparameter patient monitor

    Usage and working principle of multiparameter patient monitor

    Multiparameter patient monitor (classification of monitors) can provide first-hand clinical information and a variety of vital signs parameters for monitoring patients and rescuing patients. According to the use of monitors in hospitals, we have learned that each clinica...
  • What is the side effect that use UVB phototherapy treats psoriasis

    What is the side effect that use UVB phototherapy treats psoriasis

    Psoriasis is a common, multiple, easy to relapse, difficult to cure skin diseases which in addition to external drug therapy, oral systemic therapy, biological treatment, there is another treatment is physical therapy. UVB phototherapy is a physical therapy, So what are ...
  • What is the ECG Machine Used For

    What is the ECG Machine Used For

    As one of the most popular examination instruments in hospitals, the ECG machine is also the medical instrument that front-line medical staff have the most chance to touch. The the main contents of the ECG machine can help us judge in real clinical application as follows...
  • Does UV Phototherapy Have Radiation?

    Does UV Phototherapy Have Radiation?

    UV phototherapy is 311 ~ 313nm ultraviolet light treatment.Also known as narrow spectrum ultraviolet radiation therapy ( NB UVB therapy ).The narrow segment of UVB: the wavelength of 311 ~ 313nm can reach the epidermal layer of the skin or the junction of the true epider...