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Bugs&Drugs1
Bacillus Cereus Characteristics
Gram-Positive
Bacilli
Endospore Forming
B Hemolytic
Toxins and Enterotoxins
Reheated Rice
1 min
Clostridioides difficile (Clostridium difficile)
Characteristics
Gram-Positive
Bacillus
Anaerobe
Clindamycin and Ampicillin
Toxin A Enterotoxin
Damages Brush Border of Gut
Toxin B Cytotoxin
Damages Cytoskeletal Structure
Signs and Symptoms
Diarrhea
Pseudomembranous Colitis
Toxic Megacolon
Diagnosis
Detect Toxins in Stool
Treatment
Metronidazole
Vancomycin
3 mins
Clostridium botulinum
Characteristics
Bacillus
Gram-positive
Anaerobe
Spore-forming
Heat Labile Toxin
Inhibits Acetylcholine (Ach) Release at Neuromuscular Junction (NMJ)
Common Causes of Meningitis: Adolescent and Adult (6 - 60 Years Old)
Enteroviruses
Herpes Simplex Virus (HSV)
Neisseria meningitidis (#1 Cause in Teens)
Streptococcus pneumoniae
1 min
Common Causes of Meningitis: Children (6 Months - 6 Years)
Enteroviruses
Neisseria meningitidis
Haemophilus influenzae Type B
Streptococcus pneumoniae
2 mins
Common Causes of Meningitis: Elderly (60+ Years Old)
Streptococcus pneumoniae
Gram-Negative Rods
Listeria Monocytogenes
56 secs
Corynebacterium diphtheriae
Characteristics
Gram-Positive
Bacillus
Exotoxin
ADP Ribosylation of Elongation Factor 2
Beta Prophage
Lysogeny
Tellurite Agar
Chinese Letters
Metachromatic Blue Red Granules
Aniline Stains Deeply Methylene Blue
Signs and Symptoms
Pseudomembranous Pharyngitis
Lymphadenopathy
Myocarditis
Polyneuritis
3 mins
Gonorrhea
Mechanism
Neisseria gonorrhoeae
Assessment
Dysuria
Yellowish-Green Discharge
Increased Urinary Frequency
Women Often Asymptomatic
Interventions
Ceftriaxone (IM)
Chlamydia
Doxycycline
Azithromycin
Considerations
Treat Partners
2 mins
Intracellular Bacteria
Obligate Intracellular
Coxiella burnetii
Rickettsia
Chlamydia
Facultative Intracellular
Brucella
Neisseria
Salmonella
Legionella
Francisella Tularensis
Yersinia Pestis (Black Plague)
Mycobacterium
Listeria
2 mins
Listeria Monocytogenes Characteristics
Characteristics
Gram Positive
Bacillus
Intracellular
Survives in Cold Temperature
Actin Rocket
Tumbling Motility
Catalase-Positive
Beta-Hemolytic
Only Gram-Positive with Endotoxin-Like Structure
2 mins
Listeria Monocytogenes Disease
Signs and Symptoms
Soft Cheese
Pregnant Women Have Flu-Like Symptoms
Pregnant Women Have GI Symptoms
Granulomatosis Infantiseptica
Spontaneous Abortion
Meningitis
Monocytes in CSF
Treatment
Ampicillin
2 mins
Meningitis Assessment
Assessment
Nausea and Vomiting
Fever
Nuchal Rigidity
Severe Headache
Purpura
Seizures
Photophobia
Infants and Young Children
Opisthotonus Position
High-Pitched Cry
Bulging Fontanel
2 mins
Neisseria Meningitidis
Characteristics
Gram-Negative
Diplococci
Chocolate Agar
Thayer-Martin Media
VPN
Oxidase-Positive
Maltose Fermentation
Glucose Fermentation
Endotoxin
Lipooligosaccharide (LOS) in Membrane
Polysaccharide Capsule
IgA Protease
Disease
Waterhouse Friderichsen Syndrome
Adrenal Insufficiency
Petechial Rash
Treatments
Ceftriaxone
Rifampin Prophylaxis
5 mins
Neisseria gonorrhoeae Characteristics
Characteristics
Gram Negative
Diplococci
Chocolate Agar
Thayer-Martin Media
VPN
Oxidase Positive
Glucose Fermenting
Pilus
Opa Surface Protein
Rapid Antigenic Variation
IgA Protease
2 mins
Neisseria gonorrhoeae Disease
Signs & Symptoms
Dysuria
Pelvic Inflammatory Disease (PID)
Fitz-Hugh-Curtis Syndrome
Neonatal Conjunctivitis
Pharyngitis
Septic Arthritis
Tenosynovitis
Pustules On Hands And Feet
Treatment
Ceftriaxone
Azithromycin
Doxycycline
Considerations
C5-9 Complement Deficiency (Recurrent Infections)
2 mins
Staphylococcus epidermidis
Characteristics
Cocci
Gram-Positive
Catalase-Positive
Urease-Positive
Coagulase-Negative
Novobiocin-Sensitive
Component of Normal Skin Flora
Infects Prosthetic Devices and IV Catheters
Contaminates Blood Cultures
Produces Adherent Biofilms
2 mins
Staphylococcus saprophyticus
Characteristics
Gram-Positive
Cocci
Catalase-Positive
Coagulase-Negative
Novobiocin-Resistant
Urease-Positive
Disease
Urinary Tract Infections (UTI's)
1 min
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