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Tess Shared "Infectious Disease" - 53 Picmonics

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Infectious Disease

Ehrlichiosis
Characteristics
Intracellular Gram-Negative Rod
Lone Star Tick
Deer Reservoir
Clinical Features
Fever
Flu-like Symptoms
Rash is Rare
Diagnostic Workup
Antibody Testing
Pancytopenia
Monocytes with Cytoplasmic Morulae
Treatment
Doxycycline
Tetracycline
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2 mins
Rocky Mountain Spotted Fever
Rickettsia rickettsii
Dermacentor Wood Tick
Endemic to East Coast
Fever
Headache
Rash Starts on Wrist and Ankle
Rash migrates towards the trunk
Thrombocytopenia
Hyponatremia
Elevated liver enzymes
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59 secs
Lyme Disease
Mechanism
Transmitted by Ticks (Vector-borne)
Signs and Symptoms
Flu-like Symptoms
Bulls Eye Rash (Erythema Migrans)
Joint Pain and Stiffness
Facial Paralysis
Considerations
Antibiotics
Prevention
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2 mins
Syphilis
Characteristics
Treponema pallidum
Spirochete with characteristic motility
Signs and Symptoms
Painless chancre
Condylomata lata
Generalized lymphadenopathy
Rash on palms and soles
Aortitis
Gummas
Neurosyphilis
Argyll Robertson pupils
Vasa vasorum
Tabes dorsalis
Treatment
Penicillin
Jarisch-Herxheimer reaction
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2 mins
Syphilis TORCH
Signs and Symptoms
Nonspecific TORCH Symptoms
Often Results in Stillbirth
Hydrops Fetalis
Saber Shins
Notched Teeth
Saddle Nose
Blindness
Deafness
Hepatitis
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3 mins
Mycobacterium Tuberculosis Characteristics
Characteristics
Mycolic Acid Cell Wall
Acid-fast
Carbolfuchsin Stain Red
Lowenstein-Jensen Agar
Serpentine Cord Factor
Primary TB
Primary TB
Caseating Granuloma
Ghon Focus
Hilar Lymph Nodes
Ghon Complex
Reactivation TB
Reactivation TB
Reactivation in Apex
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Mycobacterium Tuberculosis Disease
CONSTITUTIONAL SYMPTOMS/PULMONARY TUBERCULOSIS
Fever
Night Sweats
Weight Loss
Hemoptysis
EXTRA-PULMONARY TUBERCULOSIS
Extrapulmonary Disease
Addison's Disease
CNS
Liver
Kidneys
GI
Bones
Pott's Disease
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3 mins
Mycobacterium leprae
Characteristics
Acid-Fast
Aerobic
Likes Cool Temperature
Diagnosis by Skin Biopsy or PCR
Lepromatous Leprosy
Th2 Response
Leonine Facies
Tuberculoid Leprosy
TH1 Response
Hypoesthetic Skin Plaques
Granulomatous Response
Treatment
Dapsone
Rifampin
Clofazimine
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2 mins
Vibrio Cholera Characteristics
Gram-Negative
Bacilli
Glucose Fermenting
Non-lactose Fermenting
Oxidase Positive
Comma Shaped
Thrives in Alkaline Environment
Crustaceans
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1 min
Vibrio Cholera Disease
ADP Ribosylating AB Toxin
Turn Gs on Causing Increase in cAMP
Secretion of Cl
Blocks Reabsorption of Na
Rice Water Diarrhea
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1 min
Giardia lamblia
Characteristics
Protozoa
Ingestion of Cysts
Seen in Campers
Daycare Centers
Mental Hospitals
Infects Small Intestine
Signs and Symptoms
Bloating
Flatulence
Fatty Diarrhea
Diagnosis
Crescent-shaped Protozoa Adjacent to Epithelial Brush Border
Predisposed if Low IgA
Treatment
Metronidazole
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3 mins
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
Entamoeba histolytica
Pathophysiology
Protozoa
Amebiasis
Ingestion of Cysts in Food and Water
Signs and Symptoms
Bloody Diarrhea
Flask-Shaped Ulcer
Liver Abscess
Anchovy Paste
RUQ Pain
Diagnosis
RBCs in Cytoplasm of Trophozoite
Cyst With Four Nuclei
Treatment
Metronidazole
Iodoquinol
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3 mins
Enterohemorrhagic E. Coli (EHEC)
Characteristics
O157:H7
Non-Sorbitol Fermenting
Hamburger Meat
Produces Shiga-like Toxin
Gram-negative
Lysogeny
Inactivates 60S Ribosome
Disease
Bloody Diarrhea
Hemolytic Uremic Syndrome (HUS)
Hemolytic Anemia
Acute Renal Failure
Thrombocytopenia
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2 mins
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
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3 mins
Shigella
Characteristics
Gram-Negative
Bacilli
Non Lactose Fermenting
White on Macconkey Agar
Oxidase Negative
Non H2S Producing
Day Care Centers
High Virulence
Replicates Intracellularly
Actin Rocket
Signs and Symptoms
Bloody Diarrhea
Shiga Toxin
Inhibits 60S Ribosome
Hemolytic Uremic Syndrome (HUS)
Hemolytic Anemia
Thrombocytopenia
Kidney Failure
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3 mins
Campylobacter jejuni
Characteristics
Gram-Negative
Bacillus
Flagella
Curved
Corkscrew Appearance
Oxidase-Positive
Grows Well at 42 Degrees
Undercooked Meat
Unpasteurized Milk
Animals with Diarrhea
Signs and Symptoms
Bloody Diarrhea
Guillain-Barre syndrome
Reactive Arthritis
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3 mins
Salmonella Overview
Pathophysiology
Gram-Negative Rod
Oxidase Negative
Non Lactose Fermenter
White on Macconkey Agar
H2S Producing
Flagella
Invades GI Tract
Peyer's Patches
Considerations
Osteomyelitis in Sickle Cell Patients
Reactive Arthritis
Antibiotics Prolong Fecal Excretion
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3 mins
Yersinia Enterocolitica
Characteristics
Gram-Negative
Bacilli
Non-lactose Fermenting
Non-H2S Producing
Oxidase-Negative
Day Care Centers
Pork
Raw Milk
Pet (Puppy) Feces
Signs and Symptoms
Bloody Diarrhea
Mesenteric Adenitis
Granulomatous Microabscess in Mesenteric Lymph Nodes
Pseudoappendicitis (Mimics)
Reactive Arthritis
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2 mins
Herpes Simplex Virus (HSV)
Characteristics
Enveloped
Double Stranded DNA
Linear
Signs and Symptoms
Type 1 HSV
Gingivostomatitis
Keratoconjunctivitis
Encephalitis of Temporal Lobes
Latent in Trigeminal Ganglia
Type 2 HSV
Genital Vesicles
Neonatal Herpes
TORCHES
Latent in Sacral Ganglia
Diagnosis
Tzanck Test
Multinucleated Giant Cells
Cowdry A Inclusions
Treatment
Acyclovir
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2 mins

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