Dylan Shared "Dermatology and Neuro" - 46 Picmonics

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Dermatology and Neuro

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
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2 mins
Staphylococcus saprophyticus
Characteristics
Gram-Positive
Cocci
Catalase-Positive
Coagulase-Negative
Novobiocin-Resistant
Urease-Positive
Disease
Urinary Tract Infections (UTI's)
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1 min
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
Staphylococcus aureus Disease
Skin Infections
Impetigo
Abscesses
Exfoliative Toxin
Scalded Skin Syndrome
Toxic Shock Syndrome (TSST 1)
Binds to MHC II and T Cell Receptor
Food Poisoning
Acute Bacterial Endocarditis
Pneumonia
Osteomyelitis
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2 mins
Streptococcus pyogenes Characteristics
Characteristics
Group A Streptococci (GAS)
Gram-Positive
Cocci
Beta-Hemolytic
Catalase-Negative
Bacitracin-Sensitive
Hyaluronic Acid Capsule
Streptolysin O
DNase
Streptokinase
Exotoxin A
Pyrrolidonyl Arylamidase (PYR) Positive
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2 mins
Streptococcus Pyogenes Disease
Pyogenic
Pyogenic
Pyogenic Pharyngitis
Impetigo
Cellulitis
Toxigenic
Toxic Shock-Like Syndrome
Scarlet Fever
Sandpaper Rash
Strawberry Tongue
Immunologic
Immunologic
Rheumatic Fever
Antibodies to M Protein
Acute Glomerulonephritis (Post Streptococcal Glomerulonephritis)
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2 mins
Plasmodium General
Characteristics
Protozoa
Malaria
Anopheles Mosquito
Signs and Symptoms
Cyclic Fever
Headache
Anemia
Splenomegaly
Diagnosis
Blood Smear
Treatment
Chloroquine
Mefloquine for Resistant Types
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3 mins
Plasmodium Specific
Malariae
Fever Every Three Days
Vivax/Ovale
Fever Every Two Days
Duffy Antigen Binding Site
Duffy often absent in Black Population
Primaquine treats dormant form in liver
Falciparum
Most severe
Irregular Cycles
Occludes capillaries in the brain, kidneys, and lungs
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4 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
Cryptosporidium
Characteristics
Protozoa
Ingestion of Oocysts in Food or Water
Acid Fast Cysts
Signs and Symptoms
Outbreaks of Diarrhea from Contaminated Water Supply
Mild Disease in Non-immunocompromised
Severe Diarrhea in AIDS
Treatment
Nitazoxanide for Immunocompetent
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2 mins
Trypanosoma cruzi
Pathophysiology
Protozoa
Triatomine Bug
Kissing bug
Painless bite
Predominantly in South America
Symptoms
Chagas disease
Romana's sign
Dilated Cardiomyopathy
Megacolon
Megaesophagus
Diagnosis
Blood smear
Treatment
Nifurtimox
Benznidazole
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2 mins
Trypanosoma Brucei
Characteristics
Protozoa
Trypanosoma Gambiense
Trypanosoma Rhodesiense
Tsetse Fly
Disease
Painful Bite
African Sleeping Sickness
Recurring Fever
Due to Antigenic Variation
Enlarged Lymph Nodes
Encephalitis
Treatment
Suramin for Blood-Borne Disease
Melarsoprol for CNS Penetration
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2 mins
Pox Virus
Characteristics
Enveloped
Double-Stranded DNA
Linear
Non-Icosahedral
Signs and Symptoms
Smallpox
Cowpox
Molluscum Contagiosum
Umbilicated Flesh-Colored Domed Lesions
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1 min
Bacillus Cereus Characteristics
Gram-Positive
Bacilli
Endospore Forming
B Hemolytic
Toxins and Enterotoxins
Reheated Rice
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1 min
Bacillus Cereus Disease
Signs and Symptoms
Emetic Form
Short Incubation (1-6 Hours)
Nausea and Vomiting
Diarrheal Form
Long Incubation (8-16 Hours)
Diarrhea and GI Pain
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2 mins
Bacillus Anthracis (Anthrax) Characteristics
Characteristics
Gram-Positive
Spore-Forming
D-glutamate Polypeptide Capsule
Protective Antigen
Lethal Toxin
Edema Factor
Increased cAMP
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1 min
Bacillus Anthracis (Anthrax) Disease
Signs and Symptoms
Cutaneous
Painless Black Eschar (Necrotic Lesion)
Pulmonary
Mediastinal Widening
Rapidly Fatal
Woolsorter's Disease
Gastrointestinal
Consuming Anthrax-infected Meat
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2 mins
Ebola Virus Symptoms
10 Day Incubation
Flu-like Symptoms
Impaired Blood Clotting
Hematemesis and Hemoptysis
Mucous Membrane Bleeding
Skin Bruising
Internal Hemorrhage
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1 min
Ebola Virus
RNA Virus
Filovirus
Marburg Virus
Linear
Helical
Enveloped
Negative Sense
Bat Reservoir
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1 min

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