Theatre and Wounds Flashcards
which structure provides tensile strength to a wound?
Collagen
which structure provides elasticity to a wound?
Elastin
when does collagen remodelling of wounds begin?
21 days
which type of collagen predominates in the early stages of wound healing?
Type III
which type of collagen predominates in the maturation stage of wound healing?
Type I
when are endothelial cells involved in wound healing?
Days 3-5 - migrate to wound to form new blood vessels
when are neutrophil cells involved in wound healing?
Days 1-2
when are macrophage cells involved in wound healing?
Days 1-2
when are myofibroblasts cells involved in wound healing?
Weeks 2-4
which type of diathermy is has a sinusoidal non modulated waveform leading to vaporisation of tissues?
Cutting current
bipolar diathermy uses what current, frequency and voltage?
Low current, high frequency, low voltage
Cutting uses a high or low current?
High current
Fulguration uses a high or low voltage?
High voltage
What is fulguration?
coagulation and charring of tissue over a wide area
does the use of diathermy increase or decrease risk of surgical infection?
increase
