stage 1 wound
intact ski
non blanchable
localized over bony prominence
stage 2 wound
partial thickness loss shallow, open red pink wound no slough may present as an intact serum filled blister
stage 3 wound
full thickness loss subcutaneous fat visible muscle tiss not exposed slough maybe present may include tunnelling or undermining
stage 4
full thickness exposed
can see muscle or bone tissue slough and escar present
Unstageable
Wound is to full of dead tiss and eschar to properly stage
Wound bed is open, inflamed
Tunneling present