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99 Cards in this Set

  • Front
  • Back

Sepsis

Septicemia, then progress to sepsis, to sever sepsis, final septic shock. Lymphagitis is common

Gram negative sepsis


Gram positive bacteria


Most dangerous part is the release of large amounts of LPS into circulation-- inflammation.

Gram positive sepsis

Gram positive bacteria


Most often result of infections at surgical sites. Nosocomial infections. High abx resistance.

Puerperal sepsis

Streptococcus pyogenes


Infection of the uterus after childbirth

Rheumatic fever

Streptococcus pyogenes


Often seen in children 5-15 yrs. Inflammation of heart/joints

Tularemia

Francisella tularensis


Small ID. Causes serious disease but rarely fatal

Anthrax

Bacillus anthracis


3 different types of increasing mortality: cutaneous, gastrointestinal, and inhalational

Gas gangrene

Clostridium perfringens


Gas production allows organisms to spread to neighboring tissues quickly

Cat scratch

Bartonella henselae

Plague

Yersinia pestis


All forms start with buboes then progress to either septicemic or pneumonic

Relapsing fever

Borrelia hermsii


Organism is capable of antigenic variation. Leads to alternating periods of sickness and health

Lyme borreliosis

Borrelia burgdorferi


Initial infection site shows bulls eye rash called an erythema migrans

Epidemic typhus

Rickettsia prowazekii


High mortality rates if untreated

Rocky mtn spotted fever

Rickettsia rickettsii

Burkitts lymphoma

Epstein virus


Tumor of the jaw

Infectious mononucleosis

Epstein barr virus


Kissing disease

Cytomegalovirus

Cytomegalovirus (herpes)


Disease is mild in healthy adults, immunocompromised experience severe pneumonia or eye infection

Yellow fever

Hemorrhagic fever


Causes jaundice

Chagas disease

Trypanosoma cruzi


Flagellated protozoan

Ebola hemorrhagic fever

Ebolavirus a type of filovirus

Toxoplasmosis

Toxoplasma gondii


The organism completes its life cycle in the cat. House cats are not infected. Feral cats are the source of the infection.

Malaria

Plasmodium faciparum


The organism has a complex life cycle that includes replication in RBCs and the liver

Impetigo

Staphylococcus areus/ Streptococcus pyogenes


Vesicles containing yellow liquid on the skin, break open and generate crusty patches

folliculitis (boils)

Staphylococcus areus/Streptococcus pyogenes


hair follicles


boils (containing pus)

scalded skin syndrome

Staphylococcus areus


Skin

Otitis externa (swimmers ear)

Pseudomomas aeruginosa


Ear

Necrotizing fasciitis

Streptococcus pyogenes


broken skin

Acne

Propionibacterium acnes


pores of the skin

Warts


HPV


skin

Smallpox (variola)

Variola Virus


Respiratory Tract

Measles (rubiola)

Measles virus


Respiratory Tract


Macular Rash on face then spreading to rest of body

Rubella (Rubella)

Rubella virus


respiratory Tract


Macular rash 3 days. Greatest concern is congenital rubella syndrome

coldsores


HSV1


Skin/mucus membranes




Genital Herpes


HSV2


skin/mucus membranes


chickenpox


Varicella-zoster virus


Respiratory Tract


Shingles(herpes zoster)


Varicella Zoster Virus


Latent virus nerves


Cutaneous Mycosis


Varrious dermatophytes


skin/grow on keratin


Ringworm(tinea), jock itch, athletes foot


Oral Trush


Candida Albicans


mucus membranes

Vaginitis


Candida Albicans


mucus membranes

Scabies


mites


skin


Lice


Pediculus


skin


Conjunctivitis (Pink Eye)


Haemopjilus influenza


conjunctiva

Trachoma


chlamydia trachomatis


conjunctiva

H. flu meningitis

Haemophilus influenzae (gram negative)


respiratory tract


Vaccine Exists (capsular antigen)

Meningococcal Meningitis

Neisseria meningitidis (gram negative)


respiratory tract (saliva)


Vaccine Exists (capsular antigen), rash, can cause epidemics

Pneumonoccal meningitis

Strep pneumoniae (gram positive)


respiratory tract


Vaccine Exists

Listeriosis

Listeria monocytogenes (gram positive)


food borne


Diary products!

Cryptococcosis

Cryptococcus neoformans (fungus)


respiratory tract


Inhalation of bird droppings

tetanus

Clostridium tetani (gram positive)


deep wounds


symptoms due to the release of a toxin--tetanospasim, inhibits muscle relaxation

botulism

Clostridium botulinum (gram positive)


food borne


symptoms due to the release of a toxin, leads to flaccid paralysis

Leprosy (hansen's)

Mycobacterium leprae


skin


lepromatous--skin, disfiguring tuberculoid--loss of sensation



polio


polio virus


fecal-oral route


vaccine


rabies


rabies virus


animal bite/scratch


vaccine ony 6 confirmed survivers



West Nile Encephalitis

arbovirus


Mosquito vector



African Sleeping Sickness

Trypanosoma brucei


Tsetse fly

Creutzfeldt-Jakob disease

prion


ingested/inherited



Streptococcal pharyngitis

Streptococcus pyogenes


Respiratory secretions

Scarlet fever


Streptococcus pyogenes


respiratory secretions


Strains produce an erythrogenic toxin the produces the red color



Diphtheria



Produces a pseudomembrane that can block air ways. Some produce a deadly toxin.

common cold

rhinovirus/coronavirus


RS


There are over 100 types of rhinovirus that cause the cold. Remember that cough medicines treat symptoms only! NOT your infection.

Pneumoccocal pneumonia

Streptococcus pneumoniae (Gram +)


RS


humans are the reservoir


Haemophilus Influenzae Pneumonia

Haemophilus influenzae (Gram -)


RS


usually patients have a predisposing condition: alcoholism, poor nutrition, cancer, or diabetes


walking pneumonia

Mycoplasma pneumoniae (wall-less)


RS


this organism is wall-less and responds to tetracyclines, patients remain carriers for many weeks

Legionnaires' disease

Legionella pneumonphila


inhalation of aerosolized h2o


No person to person transmission. Men over the age of 50 who are heavy smoker, drinkers, or chronically ill are especially susceptible.

Psittacosis (Ornithosis)

Chlamydophila psittaci


contact with bird droppings

Q fever

Coxiella burnetii


mammals


most cases are spread by diary cattle.

pertussis-whooping cough

Bordetella pertussis


RS


coughing occurs because airways become clogged with mucous


tuberculosis

mycobacterium tuberculosis


RS


organism is extremely resistant to disinfection



Infuenza(flu)

influenza virus


aerosolized virus


This virus is an RNA virus that mutates over time and gives rise to different H1N1, H5N1, etc. There are 3 main types A, B, and C

dental caries


streptococcus mutans


infection


This process is a combination of activities of many bacterial species. S. mutans begins this process

staphylococcal food poisoning


staphylococcus aureus


intoxication(enterotoxin)


Nausea, vomiting, and diarrhea

bacillary dysentery


shaigella species


infection


dysentery


salmonellosis


salmonella enterica


infection


nausea/diarrhea


typhoid fever


salmonella typhi


infection


Serious disease that occurs in 4 phases. Increasing fever, high fever along with rash, and intestinal perforation.

cholera


vibrio cholera


infection


Rice water stool. Huge loss of water daily.

gastroenteritis


vibrio vulnificus


infection


Causes serious systemic disease (sepsis or cellulitis)

enterohemorrhagic e.coli


e. coli o157:h7


infection similar to dysentery

travlers diarrhea


mostly e coli


infection


Usually E. coli, but other G- rods such as Shigella and Campylobacter can also cause this disease

peptic ulcer


h. pylori


peptic ulcers


huge numbers of people are infected but only a small percentage develop ulcers.


c. diff


c.diff


mild to severe infection


seen in patients that have been on high dose (broad spectrum) antibiotic therapy.


fried rice syndrome


bacillus cereus


intoxication


Nausea, vomiting, or diarrhea


hep A


Hep A virus(picornavirus)


ingestion of virus


usually subclinical especially in young people. May cause jaundice, fever, malaise (vaccine)

Hep B


Hep B virus (hepadnavirus)


sexual contact, parenteral


usually subclinical infection, but more likely to progress to severe liver damage (vaccine)

Hep C


Hep C virus-Flavivirus


parenteral


more likely to become chronic, but slow progressing


viral gastroenteritis


rotavirus


oral-fecal route


vomiting and/or diarrhea for about a week


viral gastroenteritis


norovirus


oral/fecal route


Vomiting and/or diarrhea for a few days

mumps


mumps virus


saliva/RS


swelling of the parotid glands


Giardiasis


giardia Iamblia


contaminated water


nausea, flatulence (gas), weakness, weight loss, and abdominal cramps


amebic dysentery


etamoeba histolytica


contaminated food/water


severe dysentery (contain blood and mucus). Destruction of intestinal wall causes other infections


Tapeworms

taenia


undercooked meat


abdominal cramps

Pinworms


Enterobius vermicularis


contact w/infected person


localized itchiness

Cystitis (bladder inflammation)

~90% E. coli, rare Staphylococcus saprophyticus


painful and urgent urination

Pyelonephritis (kidney inflammation)

most common is E. coli


fever/back pain


gonorrhea

Neisseria gonorrheae


sexual contact


organism can infect several tissues including the: eyes, rectum, urethra, and cervix

Chlamydia urethritis

Chlamydia trachomatis


SC


organism can infect several tissues including the: eyes, rectum, urethra, and cervix



Pelvic Inflammatory Disease

Neisseria gonorrheae and Chlamydia trachomatis


SC


Most serious form is salpingitis. 25% women that suffer from PID will have serious complications



syphilus

treponema pallidum


SC


Occurs in three stages. The primary stage is marked by the chancre, secondary is marked by a rash, and tertiary stage is marked by gummas. Latency is a problem

genital gerpes


HSV1


SC


you cannot get herpes from a public toilet. 20% of sexually active americans is infected.



AIDS

human immunodeficiency virus


SC


AIDS is the result of a prolonged infection with HIV and often happens years to decades after the initial infection