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OPT Bacterial Inf

impetigo superficial infection of skin caused by Staphylococcus aureus alone or with Streptococcus pyogenes
nonbullous impetigo 70% of cases of impetigo; fragile vesicles that rupture and are replaced with an amber crust
bullous impetigo longer lasting, flaccid bullae in infants; weakness and fever
erysipelas superficial skin infection caused by {group A beta hemolytic streptococci}
St. Anthony's fire erysipelas infection that spreads rapidly through lymphatics that causes bright red skin color
streptococcal tonsillitis and pharyngitis most cases caused by viruses but if caused by group A beta hemolytic streptococci is called {strep throat}
scarlet fever toxin from {group A beta-hemolytic streptococcus} causes skin rash and attacks blood vessels
white strawberry tongue dorm of tongue covered in white coating in scarlet fever
red strawberry/raspberry tongue after 5 days, white covering on tongue is lost in scarlet fever infection
tonsillar concretions condensed collections of desquamated keratin and foreign material in tonsillar crypts
tonsilloliths tonsillar concretions that have become calcified; can be seen on panoramic radiographs
diphtheria lethal toxin from {Corynebacterium diphtheria} causes tissue necrosis
diphtheric membrane adherent gray membrane that covers mucosal tissues in the mouth in diphtheria infections
syphilis (lues) chronic infection caused by Treponema pallidum
acquired syphilis transmitted by sexual contact
primary syphilis within 3-90 days of exposure; lesion is {chancre} an elevated, crusted lesion
secondary syphilis systemic manifestation of syphilis infection with cutaneous lesions {maculopapular rash}
mucous patches irregular oral lesions covered by white membrane in secondary syphilis; called {spilt papule} at the commissures of the mouth
condyloma lata syphilitic papillomas on genitals
latent syphilis period in syphilis infection free of lesions and symptoms; can last 1-30 years
tertiary syphilis includes cardiovascular issues {aortic aneurysm} and CNS problems {tabes dorsalis}
gumma focal granulomatous inflammation of indurated nodules, not infectious
interstitial glossitis multiple gummas on dorsum of tongue
luetic glossitis atrophy of tongue and loss of papillae in syphilis
Argyll-Robertson pupil in tertiary syphilis, pupil does not react to light but does accommodate
VDRL and RPR nonspecific serologic tests for syphilis
FTA-ABS more specific, more quickly detected serologic test for syphilis
congenital syphilis transmitted from fetus to mother
1. Hutchinson's teeth 2. ocular interstitial keratitis 3. eighth nerve deafness Hutchinson's triad
gonorrhea STD caused by {Neisseria gonorrhoeae}, a gram negative diplococcus; must rule out Chlamydia trachomatis by NAATS
tuberculosis chronic infectious disease caused by Mycobacterium tuberculosis
primary TB in previously unexposed individuals, remains in lungs where infection is walled off
secondary TB in immunocompromised patients, reactivation of dormant infection with lesions at apices of lungs
miliary TB tuberculosis disseminated in vasculature
consumption generalized wasting syndrome in secondary TB
scrofula TB infection by consuming contaminated milk containing {Mycobacterium bovis}
oral lesions of TB uncommon but if present, occur after pulmonary lesions as ulcers or nodules
PPD tuberculin skin test, cannot distinguish if active infection
QuantiFERON new TB blood test, can tell if active infection
multi agent drug therapy treatment for active TB
chemoprophylaxis recommended treatment if positive PPD but inactive infection
leprosy infection of {Mycobacterium leprae}
tuberculoid leprosy exhibits pronounced immune reaction; few hypo pigmented skin lesions, anesthesia and loss of sweating
lepromatous leprosy reduced immune response with papules and nodules on skin that thicken and distort the face {leonine facies}
leonine facies distorted face from leprosy
noma (cancrum oris) rapid opportunistic infection caused by normal oral microflora
Fusobacterium necrophorum and Prevotella intermedia key organism causative of noma
actinomycosis chronic suppurative infection caused by anaerobic gram positive {Actinomyces israelii}
cervicofacial form form of actinomycosis that enters area of former trauma and has wooden-looking indurated lesions that drain onto skin through a sinus tract
sulfur granules bacterial colonies that look like yellow flecks in actinomycosis infection
cat-scratch disease infection caused by {Bartonella henselae} after contact with a cat, causes lymphadenopathy in children
bacillary angiomatosis caused by {Bartonella henselae}; vasoproliferative disorder that resembles Kaposi sarcoma
acute sinusitis usually viral, can develop after an upper respiratory infection
chronic sinusitis usually bacterial from blockage of ostial openings; can develop {antroliths} in sinuses
functional endoscopic sinus surgery (FESS) surgery that is done if sinusitis does not resolve with antibiotics; creates better drainage
Created by: aharnold