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Infectious Dz 1
Gram positive
82
Health Care
Graduate
11/17/2007

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Cards

Term
What are the 3 forms of anthrax?
Definition
Cutaneous - most common
Inhalation - most deadly
GI- ingestion
Term
what is the bacteria causing anthrax?
Definition
Bacillus anthracis
Term
hazardous for vets, farmers, etc who handle animal wool, hides, hair, or bone meal products
Definition
Anthrax
Term
used as a biological weapon/bioterrorist attack
Definition
Anthrax
Term
presents 1-7 days after exposure and penetration of spores; pruritic papule --> black eschar
Definition
cutaneous anthrax
Term
presents 1-3 days after exposure; SSx include hemorrhagic mediastinitis, dyspnea, hypoxia, hypotension
Definition
inhalation anthrax
Term
Tx for cutaneous anthrax
Tx for inhalational anthrax
Definition
cutaneous: PCN
inhalational ciproflaxin
Term
neuroparalytic illness caused by a neurotoxin anaerobic
Definition
botulism
Term
affects infants (2nd month of life) and adults
Definition
botulism
Term
Bacteria causing botulism
Definition
clostridium botulinum
Term
Dz with descending paralysis
Definition
botulism
Term
Dz with extraocular muscle involvement (diplopia, ptosis, blurring),
pharyngela involvement (dysphagia), laryngeal involvement (dysarthria)
UE and LE weakness
severe ileus
Definition
botulism
Term
dz with symmetrical neurological deficits
Definition
botulism
Term
what are some SSx of botulism
Definition
no fever
nml mental status
nml/slow pulse rate
nml sensory output
symmetrical neurological deficits
nml brain imaging and CSF
Term
what are the 4 types of botulism
Definition
foodborne botulism
infant botulism
wound botulism
adult infectious botulism
Term
frequently in home-canned foods
Definition
foodborne botulism
Term
ingestion of honey
SSx?
Definition
infant botulism
SSx: lack of muscle tone, floppy head, weak cry, poor feeding
Term
Dz caused by black tar heroin
SSx?
Definition
wound botulism
SSx: symmetrical neurological deficits
no fever, nml mental status, nml sensory output, nml brain imaging
Term
Dz with ascending paralysis
Definition
Guillain-Barre syndrome (associated with campylobacter jejuni diarrhea)
Term
dz strongly associated with antibiotic use?
which Antibiotics?
Definition
Clostridium difficile

clindamycin, amoxicillin, ampicillin, cephalosporins, fluoroquinolones
Term
most common cause of nosocomial infectious diarrhea in adults
Definition
Clostridium difficile
Term
Risk factors for CDAD?
Definition
Abx therapy
older age
presence of NG tube
GI procedures
Acid antisecretory meds
ICU stay
Duration of hospital stay
Term
has up to 30 stools/day
Definition
C. difficile
Term
lab: has incr WBCs (leukocytosis)
Definition
C. difficile
Term
SSx of Clostridium difficile
Definition
watery diarrhea (maybe w/ MUCUS), lower abd cramps/pain, fever
Term
lab testind for C. difficile
Definition
ELISA assay
Term
TOC for C. difficile
Definition
Metronidazole
oral vancomycin
Term
Tx of relapsed C. diff
Definition
Saccharomyces boulardii (Baker's yeast)
stool enema
IVIG
Colectomy
Cholestyramine (resin that binds substance)
Term
Reason for choosing vancomycin over oral metronidazole for C. difficile
Definition
pregnancy
lactation
intolderance of metronidazole
failure to response to metronidazole
Term
known as Gas gangrene
Definition
Clostridium myonecrosis
Term
bacteria causing clostridial myonecrosis
Definition
Clostridium perfringes
Term
what are some predisposing factors for Clostridium myonecrosis
Definition
trauma, injection drug use
cause of soft tissue & muscle infections
Term
What are some SSx of Clostridium myonecrosis?
Definition
brown to blood-tinged water exudates, with skin discoloration of surrounding area, muscle necrosis, gas in tissue
Term
Tx for clostridium myonecrosis
Definition
PCN; surgical debridement
Term
infection that attacks the respiratory tract (but may involve the mucous membrane or skin wound)
Definition
Diphtheriae
Term
organism causing Diphtheriae
Definition
Corynebacterium diphtheriae
Term
how is diphtheriae transmitted
Definition
respiratory secretions
Term
"bull-neck" - swelling of neck;
pseudomembranes, difficulty breathing are associated with what Dz
Definition
Diphtheria
Term
what are the common complications of diptheria
Definition
myocarditis --> cardiac arrhythmia
neuropathy
respiratory tract obstruction
Term
Tx of Diphtheria
Abx that eradicates the carrier
Definition
Tx: antitoxin (horse Ab)
Abx: PCN or erythromycin
Term
causes UTI in females
Definition
Enterococcal infections
Term
Dz that cause UTI, bacteremia, endocarditis
Definition
enterococcal infections
Term
what organisms cause enterococcal infections
Definition
enterococci faecalis
enterococci faceium
Term
Due to increased resistance to Abx (vancomycin and PCN) how do u treat enterococcal infections
Definition
linezolid
Term
most common cause of Community Acquired Pneumonia
Definition
Pneumococcal pneumonia
Term
most common cause of otitis media
Definition
pneumococcal pneumonia
Term
most common cause of sinusitis
Definition
pneumococcal pneumonia
Term
organism causing pneumococcal pneumonia and meningitis
Definition
streptococcus pneumoniae
Term
lancet shaped diplococci
Definition
pneumoccocal pneumonia
Term
sensitive to antibiotic optochin
Definition
streptococcus pneumoniae
Term
early sign: bronchial breath sounds
productive cough, early pleuritic chest pain; rigors (chills)
Definition
pneumococcal pneumoniae
Term
Tx for pneumococcal pneumonia
Definition
empiric
amoxicillin
Term
most common cause of hospital acquired pneumonia
Definition
Staph aureus
Term
causes folliculitis and bone and joint infections: osteomyelitis, septic arthritis
Definition
staph aureus
Term
Tx for staph aureus skin and soft tissue infection?
Definition
Penicillinase-resistant PCN
MRSA --> vancomycin
Term
Tx for staph aureus bacteremia
Definition
nafcillin
emperic: vancomycin
Term
what are the toxic syndromes associated with staph aureus
Definition
scalded skin syndrome
toxic shock syndrome
enterotoxin food poisoning
Term
scalded skin syndrome is associated with what population and with what dz?
Definition
children
staph aureus: shock
Term
originally associated with tampon use
Definition
staph aureus: shock
Term
what SSx are associated with scalded skin syndrome (staph aureus: shock)
Definition
skin sloughing due to exfoliation toxin
Term
what SSx are associated with toxic shock syndrome
Definition
macular rash, water diarrhea
conjunctivitis, multi-organ failure,
desquamation of palms and soles during recovery
Term
associated with food poisoning (ex. eating potato salad)
SSx?
Definition
staph aureus: shock
SSx: severe vomiting; rapid onset (4 hrs)
Term
what would the blood culture show for staph aureus: shock
Definition
blood Cx: negative due to toxin and not systemic infection
Term
scarlet fever is a toxin syndrome associated with what?
Definition
streptococcal pyogenes
Term
also known as strep throat
Definition
pharyngitis
Term
what bacteria causes pharyngitis?
Definition
group A beta-hemolytic streptococcus pyogenes
Term
how is pharyngitis transmitted?
Definition
droplets of infected secretions
Term
what are some SSx of pharyngitis?
Definition
sore throat
anterior cervical lymphadenopathy
pharyngeal erythema
tonsillar exudates
NO cough or hoarseness or coryza
Term
Complication of acute rheumatic fever is associated with what Dz
Definition
pharyngitis
Term
Complication of acute glomerulonephritis is associated with what Dz
Definition
skin infection of strep. pyogenes
Term
Tx for pharyngitis
Definition
PCN
Term
Tx for skin infections caused by streptococcal pyogenes
Definition
Keflex
Term
= extensive cellulitis that involves superficial and deep fascia, producing gangrene of underlying tissues
Definition
Necrotizing fasciitis
Term
SSx of severe cellulitis, systemic toxicity, destruction of nerves
Definition
Necrotizing fasciitis
Term
Tx for necrotizing fasciitis
Definition
Surgical debridement
IV clindamycin
Term
found in the soil, dust, and as a contaminant of heroin
Definition
tetanus
Term
what organism causes tetanus
Definition
clostridium tetani
Term
what are at high risk for getting tetanus?
Definition
newborns, injection drug users, elderly migrant workers
Term
causes muscle spasm and exaggerated reflexes
Definition
tetanus
Term
what are some SSx of tetanus
Definition
trismus
risus sardonicus - grinning expression
generalized spasms (tetani)
hyperreflexia
Term
dz that has trismus
Definition
tetanus
Term
what are the Tx for tetanus?
Definition
supportive: place pt in calm, dark environ
passive immunization (TIG)
active immunization (TT)
Vaccine: Tapd
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