Hydrogen Peroxide (H 2 O 2) breaks down to H 2 O + O or water + a single highly reative oxygen molecule. Ozone =O 3 which breaksdown to O 2 + O. It is this single oxygen molecule that reacts with pathogens.
Then make a separate determination of whether it is related to a medical device. The stage of MDR pressure injuries varies. 1 In one study, 35% of MDR pressure injuries were Stage 1, 32% were Stage 2, 3% were Stage 3 or Stage 4, 24% were unstageable, and 6% were DTPI. 2
Post-operative haemorrhage is a common complication that can occur after any surgical procedure. In this article, we shall look at the types of haemorrhage, their clinical features, and their management. Haemorrhage in the surgical patient can be classified into 3 main categories: 1  Primary bleeding â bleeding that occurs within the intra-operative period. 2  Reactive bleeding â occurs within 24 hours of operation. 3  Secondary bleeding â occurs 7-10 days post-operatively.