Opportunistic Infections Flashcards
Microbe infections that are more common with a C3 deficiency.
GI bacteria
Gram (+) cocci
Haemophilus flu
Pseudomonas
Microbe infections more common with MAC deficiency.
Neisseria m.
MAC is able to remove bacteria with LOS in the cell wall rather than LPS
Microbe infections more common with Chronic Granulomatous Disease
Catalase (+) bacteria due to lack of NADPH oxidase enzyme.
Pseudomonas, Aspergillus, Mucor
Microbe infections more common with a Leukocyte Adhesion Deficiency.
Strep, Staph, Pseudomonas
Main two microbe infections more common after a burn wound.
Pseudomonas
Staph aureus
Microbe infections more common with B cell deficiencies like X-linked agammaglobulinemia or Hyper IgM syndrome.
X-linked A: capsules organisms like Strep pneumo or H. flu because no opsonization occurs
Hyper IgM: infections at mucosal surfaces because no IgA is made
Main respiratory infection that occurs in HIV patients once the CD4 count goes below 200cell/mm^3
Penumocystis jiroveci
Main two microbes that affect the CNS in HIV patients.
Cryptococcus neoformans
Toxoplasma gondii
Most common viral infection seen in the first weeks post transplant.
HSV
CMV is the most common
Most common bacterial infections that occur in the first month after a transplant.
Pseudomonas
MRSA
VRE
(think hospital bugs)
Top two fungal agents that infect patients right after a transplant.
Candida
Aspergillus
Owls Eye Inclusion
CMV
Acid Fast oocysts in stool
Isospera or Cryptosporidium
Isospera will have Malabsorption and foul smelling diarrhea
Ring enhancing lesions seen on X-ray.
Toxoplasmosis
Encapsulated yeast
Cryptococcus neoformans
