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100 Cards in this Set

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Colonizes anterior nares



Nasopharynx, perianal area, skin, mucosa

S. aureus

Associated with bacterial endocarditis ffg insertion of prosthetic heart valves


Blood culture contaminant

S. epidermidis

Most common cause of UTI in young sexually active females

S. saprophyticus

Most common post-streprococcal sequelae caused by S. pyogenes

1. Rheumatic Heart Fever


2. Acute Glomerulonephritis (AGN)

Ascoff Bodies


Seen in Rheumatic Heart Fever

Pharyngitis w/ rashes


Characteristic strawberry tongue caused by S. pyogenes

Scarlet Fever

S. pyogenes Clinical Manifestations:

1. Bacterial Pharyngistis, Tonsilitis (Strep Throat)


2. Pyrodermal Infections


- Fast forming purulent skin infections


- Erysipelas (St. Anthony's Fire), Scarlet Fever


3. Necrotizing Fascitis


- Galloping Gangrene


4. Streptococcal Toxic Shock Syndrome

#1 cause of


Neonatal Meningitis

S. agalactiae

Multidrug Resistant Organisms causes

Nosocomial Infections

1. Group D Enterococcus

Causes


Subacute Bacterial Endocarditis from patients with damaged heart valves



Cavities

Viridans

Causes


Lobar/Community Acquired Pneumonia



Rust Colored Sputum

S. pneumoniae

Causes Meningitis in older patients >29 yrs Old



Turbid CSF

S. pneumoniae

Others:


1. Otitis Media

#1 Leading cause of STD

Chlamydia

#2 leading cause of STD



Purulent Urethritis in Males


Cervicitis in Females

N. gonnorrhoeae

Other Diseases caused by N. gonorrhoea


1. Pelvic Inflammatory Dse


2. Disseminated gonococcal infection


(Fitz Hugh Curtis Syndrome)

Infection of newborns acquired during birth from infected mother caused by


N. gonorrhoea

Opthalmia Neonatorum

Treatment/Prevention:


1. Crede's Prophylaxis


(1% Silver Nitrate)


2. Erythromycin (Present)

Hemorrhage in the adrenal gland caused by


N. meningitidis

Waterhouse-


Friderichsen


Syndrome

Causes Meningitis accompanied by petechiae (rash) associated with meningococcal bacteremia (meningococcemia)

N. meningitidis

Bacteremia Leads to:


1. Thrombocytopenia


2. DIC


3. SHOCK

Important cause of


Otitis Media


(infection if the middle ear)

M. catarrhalis

Specimen: Ear Swab

Most common cause of


UTI


in humans

Uropathogenic E. coli


(UPEC)

Cholera Toxin



"Montezuma's Revenge" or "Turista"



Traveler's, Childhood Diarrhea



Profuse Watery Stool

Enterotoxigenic


E. coli


(ETEC)

Produces:


1. Heat Labile Enterotoxin - LT


2. Heat Stable Enterotoxin - ST



*Both reside on Plasmid

Shigella-like Infection


Dysentery



Stool w/ RBC, Neutro, Mucus

Enteroinvasive


E. coli


(EIEC)

EIEC - Explosive Stool


100,000 cfu/mL



Shigella - Scanty Bloody Stool


100-200 cfu/mL

Non-invasive, No toxin produced



Nosocomial, seen in Newborn & Infants



Watery Diarrhea w/ mucus no Blood

Enteropathogenic


E. coli


(EPEC)

"Enpant"

Produce


Verotoxin


Shigella-like toxin/Shigatoxin


HUS


E. coli 0157:H7

Enterohemorrhagic E. coli/


Verotoxic E. coli


(EHEC/VTEC)

Verotoxin - cytotoxic effect on vero cells


HUS - most severe manifestation of EHEC

Hemolysin-like Toxins


Watery Diarrhea

Enteroaggregative E. coli


(EAEC)

Causes Purulent Sinus Infection

Klebsiella ozaenae

Causes granuloma of the nose & oropharynx

K. rhinoscleromatis

Osteomyelitis ffg a motorcycle accident

Serratia plymuthica

Associated with endocarditis in Intravenous Drug Abusers

C. freundii

Causes nursery outbreaks of neonatal meningitis and brain abscess

C. koseri

Cause enteritis, systemic infection, enteric fever (typhoid fever)

Salmonella

S. cholerasuis


- Bacteremia



S. typhimurium


- Enterocolitis, Gastrotenteritis

Causes


Bacillary Dysentery

Shigella

Dysentery


- presence of blood, mucus, pus in stool



Shigellosis


- Seizures, HUS


- Associated w/


S. dysenteriae

Causes UTI and



Renal Stone Formation


Magnesium Ammonium Phosphate/Struvite

Proteus

Cuases Acquired B

P. vulgaris

Causes Acquired A

P. mirabilis

A Bioterrorism Agent that produced pandemics of


Black Death


with millions of fatalities



Bubonic Plague

Y. pestis

Most common cause of death associated with


bacterial contamination of


blood units mainly


PRBC

Y. enterocolitica

Also causes Enterocolitis


- Char by fever, Diarrhea, Abdominal Pain

V. cholerae subgroup


associated w/


epidemic cholera

1. V. cholerae 01


2. V. cholerae 0139

V. cholerae strain that phenotipically resemble


V. cholerae 01


but fail to agglutinate in


01 Antisera



Pandemic Cholera

V. cholerae non-01

Associated w/ gastritis, diarrhea, and


Guillian-Barre Syndrome

Campylobacter

Associated with


Peptic Ulcer

Helicobacter

Produces infection of


wound and


burns


giving rise to


blue green pus

P. aeruginosa

Causes


Keratitis


from contamination of


contact lense solution

P. aeruginosa

Causes


Mild Otitis Media


(Swimmer's Ear)



Jacuzzi Hot Tub Infection/Whirpool Dermatitis

P. aeruginosa

Causes


Echthyma Gangrenosum


(Skin Lesion)

P. aeruginosa

Also cause:


1. UTI


2. Meningitis


3. Sepsis


4. Pneumonia

Causes


Glanders


which is a disease of horses and similar animals transmissible to humans

Burkholderia malei

Causes


Melloidosis


(Vietnamese time-bomb)


which is an endemic glander's like disease of animals and humans

Burkholderia


pseudomallei

The 2nd most common cause of infection in


Cystic Fibrosis


patients

Burkholderia cepacia

Associated w/:


1. Heart Valve Endocarditis


2. Onion Bulb Rot


3. Foot Rot in Humans

Burkholderia cepacia

Causes


wound infection


from


farming equipment

Stenotrophomonas maltophilia

Main cause of


meningitis


in children


<5 yrs old



Associated with respiratory conditions including Epiglottis

H. influenzae

Specimen: Nasopharyngeal Swab

Causes


Pink Eye


Brazillian Purulent Fever (BPF)


Purulent Conjunctivitis

H. aegypticus

Specimen:


Eye Swab (Pus)

Infective agent of


Chancroid


characterized by


soft painful lesions


in the genitalia

H. ducreyi

Specimen:


Genital Swab or Needle Aspirate


*DO NOT USE COTTON SWAB

Group of organisms associated w/


Subacute Bacterial Endocarditis


Normal Biota of the Oral Cavity

HACEK

1. H. aprophilus


2. Aggregatibacter actinomycetemcomitans


3. Cardiobacterium hominis


4. Eikenella corrodens


5. Kingella kingae

Associated w/


Human Bite Infection


(Clenched Fist Wound Infection)

Eikenella corrodens

Biochemically Inactive



Oxidase Pos

Agent of


Granuloma inguinale/Donovanosis

Calymmatobacterium granulomatis

Klebsiella granulomatis

3 Stages of Whooping Cough:

1. Catarrhal


2. Paroxysmal


3. Convalescent

1. Catarrhal - Flu-like symptoms


2. Paroxysmal - Repetitive coughing


3. Convalescent - Recovery phase

Causes


Kennel's Cough

Bordetella bronchiseptica

Cause


Undulant Fever



Malta Fever

Brucella

Causes


Legionnaire's disease



Pontiac Fever

Legionella pneumophila

Wiga's agent of pneumonia

L. bozemanni

Pittsburgh pneumonia

L. micdadei

Streptobacillus moniliformis


is the agent of

1. Rat Bite Fever


2. Haver Hill Fever

1. Rat Bite Fever - Can also be caused by Spirillum minus referred to as SODOKU



2. Haver Hill Fever - Acquired thru ingestion of contaminated milk

Agent of


whooping cough

B. pertussis

Agent of Anthrax

B. anthracis

Type of Anthrax that is the most common but less severe



Causes Black Eschar

Cutaneous Anthrax

Pulmonary anthrax

Woolsorter's Disease

Type of Anthrax that is the least common but most severe

Gastrointestinal Anthrax

Associated w/ food poisoning from several foods such as rice, cereals, vegetables & milk

B. cereus

Causes


Myonecrosis/Gas Gangrene and


Food Poisoning



Sulfhemoglobinemia

C. perfringens

Causes


1. Flaccid Paralysis


- Strabismus/Wandering Eye/Frown Illness


2. Infant Botulism


- Floppy Baby Syndrome

C. botulinum

Infant Botulism


- Contaminated Honey



*Botulism can also be acquired from


Jarred Canned Goods

Etiologic agent of Tetanus

C. tetani

Tetanus - paralysis with continuous muscle spasms


Backward arching of the back

Important cause of


Antibiotic - associated Pseudomembranous colitis

C. difficile

Clindamycin

Causes Colorectal Cancer

C. septicum

FOBT - Early Screening for Colorectal Cancer

Only bacteria that can cross the placenta

Listeria monocytogenes

1. Abortion


2. Still Birth


3. Perinatal Human Listeriosis (Granulomatosis Infanseptica)

Major source of infection is from food such as cabbage, fruit, dairy products

Listeria monocytogenes

Causes


Erysipeloid/


Butcher's Cut/


Diamond Cut

E. rhusiopathiae

Cutaneous inflammation of hands or fingers


(seal finger/whale finger)

Infection from Vacuum-sealed sliced Bacon or any sliced meat

L. acidophilus

Characterized by foul-smelling, grayish, vaginal discharge



Clue Cells

Bacterial Vaginosis

Causes


Chronic Granulomatous Disease



Agent of Lumpy Jaw

Actinomyces israelii

Causes


Primary


Pulmonary


Infection


resembling TB

Nocardia

Agent of


Whipple's Disease

Tropheryma whipplei

Found primarily in middle-age men, characterized by the presence of PAS-Staining macrophages in almost every organ of the body

Agent of


Louse-borne relapsing fever



Epidemic Relapsing Fever

Borrelia recurrentis

1. High Fever


2. Muscle & Bone Pain


3. Confusion

Agent of


Tick-borne relapsing fever



Endemic Relapsing Fever

Borrelia


anserine


toricate,


parkeri

Diagnosed thru


Wrights/Giemsa Blood/BM

Agent of


Lyme Dse

Borrelia burgdorferi

Lyme Dse Stage in which there is apperance of lesion



Erythema Chronicum Migrans



Bull's Eye Rash

Stage 1

Stage of Lyme Dse in which there is neurological abnormalities, arthritis, skin lesions

Stage 3

Lyme Dse stage in which there is dissemination thru blood, affected area may include the bones, CNS, heart and liver

Stage 2

Agent of Vinereal Syphilis


(Great Pox, Evil Pox, French/Italian/Spanish Dse)

T. pallidum subsp. pallidum

Hutchinson Triad of Congenital Syphilis:

1. Notched Teeth


2. Keratitis


3. Nerve Deafness

Phenomenon wherein large quantities of toxin are released as the bacterium dies during treatment

Jarisch-


Herxheimer


Reaction

Stage of Syphilis in which there is characteristic


Hard Chancre



(+) For coiled organism w/


Corkscrew motiliy on Dark Field

Primary Syphilis

Asymptomatic stage of Syphilis but Positive for Serological Tests

Latent Syphilis

Gummas


Neurosyphilis

Tertiary Syphilis

Stage of Syphilis in which there is wart-like lesions in moist areas of the body known as


Condylomata lata

Secondary Syphilis

Syphilis is transmitted by

1. Sexual Contact


2. Direct Blood Transmission


3. Transplacental Route

Treponema that causes chronic nonvenereal disease of skin and bones known as


Yaws/Framboise

T. pallidum subsp. pertenue

Transmission via traumatized skin comes in contact with infected lesion

Treponema that causes ulcerative skin disease known as


Pinta

T. carateum

1. T. pallidum subsp. pertenue


- Yaws/Farmboise


2. T. carateum


- Pinta


3. T. pallidum subsp. endemicum


- Bejel

Treponema that causes lesions in oral cavity, oral mucosa, skin, bones, and nasopharynx known as Bejel


T. pallidum subsp. endemicum

Endemic Syphilis

Cause of Animal and Human Leptospirosis

L. interrogans

Shed in the urine of rodents, cattle, dogs, cats, raccoons and bats and humans acquire infection through direct contact w/ urine of these animals who carry the organism

Severe form of Leptospirosis

Weil's Disease

Systemic dse includes intravsacular dse, renal and hepatic failure

Treatment for Leptospirosis

Doxycycline