Hannah-underwood9041 Shared "CNS Bugs" - 21 Picmonics

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CNS Bugs

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
Haemophilus influenzae Characteristics
Characteristics
Gram-Negative
Coccobacilli
PRP Capsule in Type B
Positive Quellung Reaction
IgA Protease
Chocolate Agar
Factor V is NAD
Factor X is Hematin
Staph Aureus Provides Factor V
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2 mins
Haemophilus Influenzae Disease
Disease
Pneumonia
Cherry Red Epiglottitis
Meningitis
Otitis Media
COPD Exacerbation
Thumbprint Sign (on X-ray)
Treatment
Rifampin Prophylaxis
Ceftriaxone
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2 mins
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 Pneumoniae Disease
Signs and Symptoms
Sickle Cell Anemia
Sepsis in Patients with Splenectomy
Rusty Sputum
MOPS
Meningitis
Otitis Media
Pneumonia
Sinusitis
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2 mins
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
E. coli Overview
Characteristics
Gram-Negative
Bacillus
Purple Colony with Metallic Green Sheen
Lactose-Fermenting
Pink on MacConkey Agar
Disease
Diarrhea
Lipid A Septic Shock
P Pili Pyelonephritis and Cystitis
K Capsule Neonatal Meningitis
K Capsule Pneumonia
H Antigen Flagella
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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
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2 mins
Pseudomonas Aeruginosa Characteristics
Characteristics
Gram-Negative
Bacillus
Aerobic
Pyocyanin Pigment
Blue-green Pigment
Grape like odor
Non-lactose Fermenting
Polysaccharide Capsule
Catalase-Positive
Oxidase-Positive
Inactivates Elongation Factor 2
Exotoxin A
Endotoxin
Water sources
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3 mins
Pseudomonas Aeruginosa Disease
Signs and Symptoms
Pneumonia
Cystic Fibrosis
Burn Wounds
Hot tub folliculitis
Urinary Tract Infections
Osteomyelitis associated with IV drug use
Osteomyelitis from Shoe Puncture Wound
Diabetic Osteomyelitis
Corneal Infections in contact lens users
Endocarditis
Ecthyma Gangrenosum
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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
Moraxella catarrhalis
Characteristics
Gram-Negative
Diplococci
Oxidase-positive
Catalase-positive
Associated Infections
Otitis Media
Sinusitis
Chronic Obstructive Pulmonary Disease (COPD)
Bronchitis
Laryngitis
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2 mins
Mycobacterium leprae
Aerobic
Acid Fast
Likes Cool Temperature
Tuberculoid leprosy
Granulomatous response
Positive Lepromin Skin Test
Dapsone
Rifampin
Lepromatous leprosy
Weak Immune System
Leonine facies
Negative Lepromin Skin Test
Clofazimine
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2 mins
Cryptococcus neoformans
Characteristics
Monomorphic
Encapsulated
Polysaccharide Capsule
Narrow-Based Buds
Latex Agglutination
Pigeons
India Ink
Mucicarmine stain
Signs and Symptoms
AIDS/Immunocompromised
Meningitis
Soap Bubble Lesions in Brain
Pneumonia
Treatment
Fluconazole
Flucytosine
Amphotericin
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3 mins
Toxoplasma gondii
Characteristics
Protozoa
Cysts in meat or cat feces
Signs and Symptoms
Brain Abscess in HIV Patients
Ring-enhancing brain lesions
Crosses placenta in pregnant women
Congenital TORCH infection
Treatment
Pyrimethamine
Sulfadiazine
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2 mins
Toxoplasma gondii TORCH
Signs and Symptoms
Congenital TORCH Infection
Mom Usually Asymptomatic
Rarely Lymphadenopathy
Nonspecific TORCH Signs
Intrauterine Growth Retardation
Hepatosplenomegaly
Deafness
Chorioretinitis
Hydrocephalus
Diagnosis
Calcifications
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1 min
Naegleria Fowleri
Pathophysiology
Protozoa
Rapidly Fatal Meningoencephalitis
Swimming in Freshwater Lakes
Travels through Cribriform Plate
Diagnosis
Amoebas in CSF
Treatment
Amphotericin B
Death is Still Common
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1 min
Taenia Solium
Pathophysiology
Cestode (Tapeworm)
Taeniasis
Ingestion of Larvae in Undercooked Pork
Asymptomatic, in Bowels
Cysticercosis
Ingestion of Cestode Eggs
Skin, CNS and Muscles
Treatment
Albendazole
Praziquantel
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1 min
Rabies Virus
Characteristics
Enveloped
RNA Virus
SS Negative Linear
Helical
Bullet-Shaped Envelope
Binds to Acetylcholine Receptor
Retrograde Fashion
Migrates to Saliva
Diagnosis
Negri Bodies
Cytoplasmic Inclusions in Neurons
Purkinje Cells of Cerebellum
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2 mins
Rabies Symptoms and Animals
Characteristics
Bats, Skunks, and Raccoons (Inside United States)
Dog Bites (Outside United States)
Fever
Agitation
Paralysis
Hydrophobia
Photophobia
Considerations
Fatal If Not Treated
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1 min

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