Background The National Early Warning Score 2 (NEWS2) includes two oxygen saturation scales; the second adjusts target saturations to 88%–92% for those with hypercapnic respiratory failure. Using this ...

Cyclo-oxygenase (COX), also known as prostaglandin H synthase (PGHS), is the rate limiting enzyme for the conversion of arachidonic acid to prostanoids and exists in two isoforms. COX-1 is ...