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Micro Exam 3
Microbe disease of cardio and lymph
19
Microbiology
Professional
11/28/2009

Additional Microbiology Flashcards

 


 

Cards

Term

Lymphangitis

Definition

Inflamed lymphatic vessels visible as red streaks along appendages from the infection site to a lymph node

Term

Severe Sepsis occurs when:

Definition
sepsis proceeds to a drop in blood pressure and dysfunction of organs
Term
Septic Shock occurs when:
Definition
low blood pressure is not controlled
Term
3 dreaded sepsis pathogens
Definition
  1. Pseudomonas aeruginosa
  2. Streptococcus pneumoniae
  3. Aspergillus fumigatus
Term
Pseudomonas aeruginosa
Definition

G- bacteria

Causes septic shock

Septic shock most often caused by G- bacteria

Cell walls of G- bacteria release endotoxins upon lysis


Term
E. coli
Definition

G- bacteria

Causes septic shock

Septic shock most often caused by G- bacteria

Cell walls of G- bacteria release endotoxins upon lysis


Term
Enterococcus faecium
Definition

G+

facultative anaerobe

Enterococci

Causes sepsis

normal inhabitant of skin and colon

Term
Enterococcus faecalis
Definition

G+

facultative anaerobe

Enterococci

Causes sepsis

normal inhabitant of skin and colon

Term
Main pathogens of G+ sepsis
Definition

Streptococcal and Staphylococcal infections

Can also cause toxic shock syndrome

Term
Puerperal Sepsis
Definition

AKA childbirth fever

A nosocomial infection

Infection of uterus after childbirth or abortion --> progresses to an infection of the abdominal cavity (peritonitis)

Usually due to Streptococcus pyogenes

Term
Causative pathogen of Puerperal Sepsis
Definition
Streptococcus pyogenes
Term
Rheumatic Fever: general info, causative agents,
Definition

Streptococcal infection (usually Streptococcus pyogenes)

Usually children 4-early teens --> often following a strep throat

An autoimmune disorder

Arthritis, fever, joint nodules, valve damage

May lead to heart (rheumatic heart disease), or kidney disease -- or DEATH!

 


Term
Subacute Bacterial Endocarditis: Causative Pathogens
Definition
  1. Streptococci
  2. Staphylococci
  3. Enterococci

 

Term
Subacute Bacterial Endocarditis
Definition

Streptococci, Staphylococci, Enterococci

Slow developing

Often arise from teeth or tonsil infections that become systemic

More common and less debilitating than ABE

Can strike anyone

Term
Subacute Bacterial Endocarditis: Symptoms
Definition

Fever

Malaise

Heart murmur

Hematuria

Term
Acute Bacterial Endocarditis: Causative Pathogen
Definition
Staphylococcus aereus
Term
Acute Bacterial Endocarditis
Definition

Staphylococcus aereus

Strikes rapidly

Can infect/destroy normal or abnormal heart valves quickly

Death in a few days to weeks if untreated

More common among elderly, IV drug users

Term
Bartonella henselae
Definition

G-

bacillus

anaerobe

Causes Cat Scratch Disease

Inhabits interior of some feline RBC's

Term
Cat Scratch Disease: Symptoms
Definition

Lymph node swelling

Fever

Papule at infection site

Malaise

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