Syphilis
- Treponema pallidum
- Spirochete with characteristic motility
- Painless chancre
- Condylomata lata
- Generalized lymphadenopathy
- Rash on palms and soles
- Aortitis
- Gummas
- Neurosyphilis
- Argyll Robertson pupils
- Vasa vasorum
- Tabes dorsalis
- Penicillin
- Jarisch-Herxheimer reaction
Mycobacterium Tuberculosis Characteristics
- Mycolic Acid Cell Wall
- Acid-fast
- Carbolfuchsin Stain Red
- Lowenstein-Jensen Agar
- Serpentine Cord Factor
- Primary TB
- Caseating Granuloma
- Ghon Focus
- Hilar Lymph Nodes
- Ghon Complex
- Reactivation TB
- Reactivation in Apex
Mycoplasma Pneumoniae
- No Cell Wall and No Gram Stain
- Cholesterol Membrane
- Eaton's Agar
- Mulberry Colonies
- Atypical pneumonia
- Military Recruits
- Cold IgM Autoimmune Hemolytic Anemia
- Erythema Multiforme
- Tetracycline
- Erythromycin
Legionella Characteristics
- Bacillus
- Poor Gram Stain
- Charcoal Yeast with Iron and Cysteine
- Silver Stain
- Water Sources
- Smokers and Heavy Drinkers
- Detect Antigen in Urine
Rickettsia
- Need CoA and NAD
- Rocky Mountain spotted fever
- Typhus
- Ehrlichiosis
- Q fever
- Arthropod vector
- Fever
- Headache
- Rash
- Weil-Felix reaction
- Treatment doxycycline
Chlamydia Characteristics
- Cannot Make ATP
- Elementary body infects
- Intraepithelial
- Reticulate Body Replicates
- Cell Wall Lacks Muramic Acid
- Giemsa Stain
- Inclusion Bodies
- Azithromycin (Preferred)
- Doxycycline
Bartonella henselae
- Gram-Negative
- Pleomorphic
- Bacillus
- Cat Scratch Fever
- Lymphadenopathy
- Bacillary Angiomatosis
- Patients with AIDS
- Mimics Kaposi Sarcoma
- Benign
- Reactive Arthritis
- Non-Caseating Granuloma
Helicobacter Pylori
- Gram-Negative
- Bacilli
- Curved
- Polar Flagellum
- Catalase-Positive
- Oxidase-Positive
- Gastric and Duodenal Ulcers
- Ammonia
- Neutral Environment
- Gastric Adenocarcinoma
- MALT lymphoma
- Serology IgG antibody
- Stool Antigen
- Urease Positive Breath Test
- Biopsy
- 2 ABX and PPI
Borrelia burgdorferi
- Lyme Disease
- Spirochete
- Dark-field Microscopy
- Giemsa Stain
- Silver Stain
- White-footed Mouse
- Ixodes Tick
- Babesia
- Anaplasmosis
- Flu-like Symptoms
- Erythema Migrans
- Bulls Eye Rash
- Bilateral Bell's Palsy
- Conduction Defects
- Arthropathy
- Doxycycline
- Ceftriaxone
Nocardia
- Aerobic
- Gram-Positive
- Catalase-Positive
- Urease-Positive
- Acid Fast
- Branching
- Beaded Filament
- AIDS/Immunocompromised
- Soil
- Lung Cavitation
- Brain Abscess
- Kidney Abscess
- TMP-SMX
Cryptococcus neoformans
- Monomorphic
- Encapsulated
- Polysaccharide Capsule
- Narrow-Based Buds
- Latex Agglutination
- Pigeons
- India Ink
- Mucicarmine stain
- AIDS/Immunocompromised
- Meningitis
- Soap Bubble Lesions in Brain
- Pneumonia
- Fluconazole
- Flucytosine
- Amphotericin
Yersinia Pestis (Black Plague)
- Gram-Negative
- Bacilli
- Oxidase-Negative
- Non-lactose Fermenting
- Prairie Dogs
- Fleas
- Polysaccharide Capsule
- Vw Antigen
- F1 Antigen
- Inhibits Macrophages
- Southwest Region
- Lymphadenopathy
- Pneumonia
- Black Cutaneous Hemorrhagic Lesions
- Buboes
- Bipolar Giemsa Staining
Pneumocystis jirovecii
- Fungi
- AIDS/Immunocompromised
- Fever
- Hypoxemia
- Bronchoalveolar Lavage
- Biopsy
- Methenamine Silver Stain
- Saucer/cup shaped yeast forms
- Diffuse interstitial pneumonia CXR
- TMP-SMX
- Start prophylaxis when CD4 drops under 200
Aspergillus fumigatus
- Fungi
- Monomorphic
- Septate Hyphae
- Branch at Acute Angles
- Fruiting Bodies
- Allergic Bronchopulmonary Aspergillosis (ABPA)
- Eosinophilia
- Increased IgE
- Glucocorticoids +/- Azoles
- Pulmonary Aspergillosis
- TB Cavity
- Lung Aspergilloma
- Hemoptysis
- Invasive Aspergillosis
- AIDS/Immunocompromised
- Chronic Granulomatous Disease
- Hemorrhagic Infarction
- Necrotizing Bronchopneumonia
- Voriconazole +/- Caspofungin
Giardia lamblia
- Protozoa
- Ingestion of Cysts
- Seen in Campers
- Daycare Centers
- Mental Hospitals
- Infects Small Intestine
- Bloating
- Flatulence
- Fatty Diarrhea
- Crescent-shaped Protozoa Adjacent to Epithelial Brush Border
- Predisposed if Low IgA
- Metronidazole
Cryptosporidium
- Protozoa
- Ingestion of Oocysts in Food or Water
- Acid Fast Cysts
- Outbreaks of Diarrhea from Contaminated Water Supply
- Mild Disease in Non-immunocompromised
- Severe Diarrhea in AIDS
- Nitazoxanide for Immunocompetent