Infection in Immunocompromised Flashcards
Digital necrosis
Capnocytophaga canimorsus
Meningitis in infants and young children (
Haemphilus influenzae
Heptavalent protein-conjugate vaccine;
Streptococcus pneumoniae
Manifestations • Superficial and systemic infections in humans • Disseminated infections in neutropenic and transplant patients
Fusarium solani
Meningitis in immunocompromised patients
Cryptococcus neoformans
Diagnosis: Culture on chocolate agar containing hematin (factor X) and NAD (factor V)
Haemphilus influenzae
Populations at risk • Pregnant women • Immunocompromised individuals • Elderly individuals
Listeria monocytogenes
Encapsulated yeast-like fungus
Cryptococcus neoformans
Pathogenesis • Subcutaneous lesions from injury following “traumatic implantation” by contaminated splinters or plant thorns
Scedosporium prolificans
Spores = eccentric nucleus, nucleolus, single mitochondrion
Pneumocystis jiroveci
α-hemolytic gram-positive cocci in chains
Viridans Streptococci
Gram-negative of oropharynx of canines
Capnocytophaga canimorsus
Type b in respiratory tract of infants and young children
Haemphilus influenzae
Filamentous fungus widely distributed on plants and in the soil
Fusarium solani
Prosthetic-associated infections
Staphylococcus epidermidis
Humans may be infected via GI tract through milk from infected cow or through abraded skin
Mycobacterium tuberculosis
Gun metal gray, hemorrhagic, necrotic patches
Neisseria meningitidis
Bone marrow transplant recipients • Hemorrhagic cystitis
BK Virus
Dark urine • Clay-colored bowel movements
Hepatitis B Virus
White piedra – soft, pale nodules on hairs of scalp and body
Trichosporon asahii
Found in soil
Cryptococcus neoformans
