Psoriasis, is a chronic, recurrent, inflammatory and systemic skin disease caused by genetic and environmental effects.Psoriasis in addition to the skin symptoms, there will also be cardiovascular,...
In addition to the two-dimensional anatomical information obtained by black-and-white ultrasound examination, patients can also use color Doppler blood flow imaging technology in color ultrasound...
The causes of psoriasis involve genetic, immune, environmental and other factors, and its pathogenesis is not yet completely clear.
1. Genetic factors
Many studies have shown that genetic factor...
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 ...
1. Use 75% alcohol to clean the surface of the measurement site to remove the cuticle and sweat stains on human skin and prevent the electrode from bad contact.
2. Be sure to connect the ground wir...
