Sinusitis and Otitis MEdia Flashcards
Otitis Media
Infiltrates in mid ear, pus, bulging membrane = bacterial. With fever and otalgia. Treat with amoxicillin
Sinusitis
Purulent nasal discharge with pain over sinuses. Fever, cough, loss of sense, halitosis
Picornaviridae: Rhinovirus Clinical
Otitis media with erthema tympani, common cold
Picornaviridae: Rhinovirus Char
Pos sense ssRNA w/o env
Picornaviridae: Rhinovirus RF
Young children
Strep Pneumoniae Clin
Otitis media and sinusitis
Strep Pneumoniae Char
Gram pos diplococci
Strep Pneumoniae VF
capsule, IgA protease, pneumolysin
Strep Pneumoniae Diag
Neufeld Rxn, bile soluble, Optochin sensitive, alpha hemolysis
Strep Pneumoniae Vccn
Capsular and conjugate vccn
Strep Pneumoniae Tx
Beta lactams
Haemophilus Influenza Clin
Otitis media and Sinusitis
Haemophilus Influenza Char
gram neg rod. Hib has PRP capsule.
Haemophilus Influenza Diag
Chocolate Agar (with X and V factors)
Haemophilus Influenza Vccn
Hib vccn
Moraxella Caterrhalis Clin
Otitis media and sinusitis
Moraxella Caterrhalis Char
Gram neg diplococci, norm flora
Moraxella Caterrhalis Diag
Culture, DNase and oxidase pos
Moraxella Caterrhalis Tx
Beta-lactamase producer so use augmentin
Rhixopus and Mucor spp Clin
Sinusitis and Rhinocerebral mucor/mucomycosis (CNS invasion)
Rhixopus and Mucor spp RF
Immunocomp
Rhixopus and Mucor spp Char
Monomorphic fungi (hyphae) trans via sporangiospheres
Rhixopus and Mucor spp Diag
KOH - nonseptate hyphae branches at right angles. Rhizopus with nodal rhizoids and mucor lacks rhizoids
Mucormycosis
Invasion of bv’s of oral mucosa and sinuses. RG = Diabetic ketoacidosis, neutropenia, corticosteroids
Rhinocerebral mucor
Infect orbits, palate and brain
