Alisha Shared "MSK Exam 2- pathogens" - 11 Picmonics

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MSK Exam 2- pathogens

Streptococcus Pneumoniae Characteristics
Characteristics
Gram-Positive
Diplococci
Lancet-Shaped
Catalase-Negative
Optochin-Sensitive
Bile Soluble
Alpha-Hemolytic
Polysaccharide Capsule
Positive Quellung Reaction
IgA Protease
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1 min
Streptococcus agalactiae
Characteristics
Group B Streptococci
Gram-Positive
Cocci
Beta-Hemolytic
Bacitracin-Resistant
Catalase-Negative
Pyrrolidonyl Arylamidase (PYR) Negative
Polysaccharide Capsule
Hippurate Positive (+)
Produces CAMP Factor
Enlarges Area of Hemolysis by S. aureus
Disease
Mainly in Babies
Meningitis
Pneumonia
Sepsis
Colonizes Vagina
Treatment
Screen Pregnant Women at 35-37 Weeks
Penicillin
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3 mins
Staphylococcus aureus Characteristics
Characteristics
Gram-Positive
Cocci
Catalase-Positive
Coagulase-Positive
Beta-Hemolytic
Protein A Virulence Factor
Inhibits Phagocytosis
MRSA
Resistant to Beta Lactams Due to Altered Penicillin Binding Proteins (PBPs)
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2 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
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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
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5 mins
Borrelia burgdorferi
Characteristics
Lyme Disease
Spirochete
Dark-field Microscopy
Giemsa Stain
Silver Stain
White-footed Mouse
Ixodes Tick
Babesia
Anaplasmosis
Signs & Symptoms
Flu-like Symptoms
Erythema Migrans
Bulls Eye Rash
Bilateral Bell's Palsy
Conduction Defects
Arthropathy
Treatments
Doxycycline
Ceftriaxone
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3 mins
Clostridium botulinum
Characteristics
Bacillus
Gram-Positive
Anaerobe
Spore-Forming
Heat Labile Toxin
Inhibits Acetylcholine (Ach) Release at Neuromuscular Junction (NMJ)
Canned Food in Adults
Spores in Honey
Signs and Symptoms
Descending Flaccid Paralysis
Diplopia
Ptosis
Floppy Baby
Constipation
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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)
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2 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
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2 mins
Common Causes of Meningitis: Children (6 Months - 6 Years)
Enteroviruses
Neisseria meningitidis
Haemophilus influenzae Type B
Streptococcus pneumoniae
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2 mins
Common Causes of Meningitis: Adolescent and Adult (6 - 60 Years Old)
Enteroviruses
Herpes Simplex Virus (HSV)
Neisseria meningitidis (#1 Cause in Teens)
Streptococcus pneumoniae
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1 min

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