Diseases & syndromes
Diseases & syndromes in PetriKey
Syndromes and presentations mapped back to their causative organisms.
32 reference cards
AIDS
Advanced HIV: CD4 <200 and opportunistic infections
Amebiasis
Bloody dysentery plus liver abscess
Bacterial meningitis
Inflammation of meninges with rapid onset
Botulism
Toxin-driven descending flaccid paralysis
Candidiasis / thrush
White oral plaques that scrape off
Cellulitis
Spreading skin and subcutaneous infection
Chickenpox and shingles
Primary varicella vs zoster reactivation
Cholera
Toxin-mediated profuse watery diarrhea
Community-acquired pneumonia
Lung infection acquired outside healthcare settings
COVID-19 illness
SARS-CoV-2 respiratory illness with anosmia
Cryptococcal meningitis
Subacute AIDS meningitis, India ink positive
Dengue fever
Aedes-borne 'breakbone' fever
Dermatophytosis / ringworm
Annular scaly plaque with central clearing
Gas gangrene
Clostridial myonecrosis with tissue gas
Giardiasis
Fatty, foul, floating diarrhea from water
Impetigo
Superficial crusting skin infection of children
Infectious mononucleosis
EBV triad: fever, pharyngitis, lymphadenopathy
Infective endocarditis
Infection of heart valves with vegetations
Influenza illness
Abrupt seasonal respiratory illness
Lyme disease
Tick-borne multistage spirochetal illness
Malaria
Anopheles-borne cyclic fever with hemolysis
Measles
Rubeola: 3 C's, Koplik spots, descending rash
Necrotizing fasciitis
Rapidly spreading deep fascial infection
Pneumocystis pneumonia
PCP: dry cough and hypoxia in AIDS
Rocky Mountain spotted fever
Tick-borne rickettsial vasculitis with rash
Tetanus
Toxin-driven spastic paralysis from wounds
Toxoplasmosis
Cat / undercooked-meat protozoal infection
Tuberculosis
Airborne lung syndrome with latent and active forms
Typhoid fever
Enteric fever from Salmonella Typhi
Urinary tract infection
Lower or upper urinary infection syndrome
Viral hepatitis overview
Hepatitis A-E: routes and chronicity
Whooping cough
Paroxysmal cough illness (pertussis)