Flashcards
SSTI (1)
Cards in this deck (32)
- 1Folliculitis/Stye Signs/SymptomsSuperficial infections surrounding hair follicles on the skin (folliculitis) or on the eyelids (stye)
- 2Folliculitis/Stye Common etiology1. S. aureus
2. P. aeruginosa (with exposure to pools)
** S. aureus = aerobic GPC = staphyloccoci)
** Pseudomonas aeruginosa = aerobic GNR - 3Folliculitis/Stye treatment [CEM]1. Local, warm compress
2. Topical clindamycin, erythromycin, mupirocin (CEM) - 4Furuncle/Carbuncle Signs/Symptoms1. Painful, firm, tender, red nodule
2. May include systemic symptoms if bacteria have entered the bloodstream - 5Furuncle/Carbuncle Common etiology1. S. aureus (Gram (+) = staphylococci)
2. S. pyogenes (Gram (+) = B-hemolytic) - 6Furuncle/Carbuncle treatment1. Small furuncles: Moist heat
2. Large furuncles/carbuncles: Incision and drainage
3. Immucompromised, severe infections, or unresponsive to incision: SMX/TMP, doxycycline, clindamycin, linezolid (BDCL) - 7Erysipelas Signs/SymptomsRed, edematous, painful lesions with sharply demarcated borders
- 8Erysipelas common etiology1. s. aureus
2. s. pyrogenes
3. s. agalactiae [GNC = B-hemolytic] - 9Erysipelas treatment1. Mild/Moderate: Penicillin VK x 7-10 days OR
Clindamycin (penicillin allergy)
2. Severe: IV penicillin - 10Impetigo Signs/SymptomsSmall, clear fluid-filled vesicles, which turn into pus-filled blisters that ruptures that dry to form a golden-yellow crust
- 11Impetigo common etiology1. Bullous: S. aureus
2. Non-bullous: S. aureus and S. pyogenes - 12Impetigo treatment1. Topical: Mupirocin TID x 5 days OR
Retapamulin BID x 5 days
2. Non-responsive to topical: Dicloxacillin/cephalexin x 7 days
Clindamycin (penicillin allergy) - 13Cellulitis Signs/Symptoms1. Infection of the dermis and subcutaneous fat tissue characterized by induration, erythema, edema, and inflammation
2. Hot to the touch with poorly defined margins - 14Cellulitis common etiology1. s. aureus
2. s. pyrogenes - 15Cellulitis treatment1. Mild: Anti-staph, 1st gen cephalosporin, clindamycin (penicillin allergy) x 5-10 days
2. If MRS suspected, use a MRSA-covering agent - 16Necrotizing infections Signs/SymptomsSevere infection of the subcutaneous tissue resulting in progressive destruction of tissue and fascia.
- 17Necrotizing infections common etiology1. Type I: Polymicrobial (1 aerobe + 1 anaerobe)
2. Type II:
S. pyogenes
C. perfringens
*** C. perfringens = anaerobic GPR = - 18Necrotizing infections treatment1. Type I: Broad spectrum (aerobic Gram+, Gram-, and anaerobes) therapy
2. Type 2: Penicillin + clindamycin - 19Diabetic foot infections (DFIs) Signs/SymptomsInflammation, purulent secretions in patients with diabetes
- 20Diabetic foot infections (DFIs) Common etiologyCombination:
1. Gram+ (S. arues, enterococci, streptococci)
2. Gram- (Pseudomonas spp,)
3. Anaerobes (B. fragilis) - 21Diabetic foot infections (DFIs) treatment1. Mild: 7-14 days of oral S. aureus + streptococcus coverage
2. Moderate: Oral/IV broad spectrum therapy x 10-14 days with no OM (4-6 weeks with OM)
3. Severe: IV broad spectrum therapy x 10-14 days with no Osteomyelitis (OM) (4-6 weeks with OM) - 22Bite wounds Signs/SymptomsPurulent discharge, erythema, and swelling
- 23Bite wounds common etiology (Animal)1. Pasturella multocida
2. Moraxella spp.
3. Neisseria spp.
*** Neisseria = GNC = Aerobic - 24Bite wounds common etiology (Human)1. Steptococcus spp.
2. S. aureus
3. Eikenella corrodens
4. Anaerobes - 25Bite wounds treatment (Animal)1. Amoxicillin/clavulanate x 5-7 days
2. Bite on the head, joint, or hand: IV ampicillin/sulbactam, cephamycin, cefotetan, or carbapenem x 7-14 days
3. Prophylaxis: 3-5 days of antibiotic treatment - 26Bite wounds treatment (Human)1. Amoxicillin/clavulanate x 5-7 days
2. Serious injuries: IV ampicillin/sulbactam, cephamycin, cefotetan, or carbapenem x 7-14 days
3. Prophylaxis: 3-5 days of antibiotic treatment - 27Osteomyelitis Signs/SymptomsPain, swelling, fever, chills, decreased range of motion
2. Elevated ESR, CRP, and WBC - 28Osteomyelitis common etiologyMSSA
MRSA
Enteric Gram-
P. aeruginosa - 29Osteomyelitis treatmentSee Table 3 of your note
- 30Infectious arthritis Signs/Symptoms1. Fever, painful swollen joint in the absence of trauma
2. Elevated ESR and WBC - 31Infectious arthritis common etiology1. s. aureus
2. N. gonorrhoeae - 32Infectious arthritis treatment1. Joint drainage and rest
2. Gonoccocal: IV ceftriaxone x 7 days OR
IV doxycycline (penicillin allergy)
2. Nongonoccocal: Table 3 treatments for MSSA and MRSA