musculoskeletal Flashcards
osteomyelitis is most often caused by ________ (infection of the medullary bone)
bacteria
osteomyelitis may be _______ (outside-in) or _______ (inside-out)
exogenous
endogenous
open fratures, surgery, penetrating wounds, local injections, are all _________
exogenous
pathogens carried in the bloodstream from site of infection to bone, then to soft tissue, are _______
endogenous
if bacteria is in the soft tissue, such as cellulitis, it can spread to bone. this is _______
exogenous
if pathogen is carried in the bloodstream from site of infection to bone, then to _____ _____, it is _______ (more common in children, infants, older adults)
soft tissue
endogenous
sick cell anemia and low oxygen tension commonly cause _________ osteomyelitis
endogenous
superficial human bites are _______ ______ and cause _______ osteomyelitis
staph aureus
exogenous
if a superficial animal bite causes exogenous osteomyelitis, it is caused by _______ ______
pasteurella multocida
chronically ill and immunocompromised are very susceptible to _______ _______
exogenous osteomyelitis
the most common sites for endogenous (hematogenous) is ____, _____, and small bones
spine and pelvis (microorganisms travel through arteries, veins, or lymphatic vessels)
skin, ear, dental, sinus commonly cause ____________
endogenous osteomyelitis
soft tissue infections, GI disorders, GU infections, respiratory infections, all cause ________
endogenous osteomyelitis
the most common bacteria cause of hematogenous osteomyelitis is ____ _____
staph aureus
in children, osteomyelitis lifts off the _______, disrupts blood supply, leads to _____ and _____
periosteum
necrosis and sequestrum