Infectious Disease Qs Flashcards
Necessary adjunctive Therapy for bacterial meningitis?
Steroids
CD4 count necessary to develop Primary CNS lymphoma?
<50
ethambutol side effect?
retrobulbar neuritis manifesting as decreased green-red color discrimination
TB drug that can cause gout?
Pyrazinamide
Continuation treatment for TB after initial 2 month, 4 drug treatment? When should the continuation length increase?
4 months of isoniazid and rifampin
If not given pyrazimnamide;
OR sputum cultures are still positive OR drug resistance
Patients with late (terminal) complement component deficiencies (C5, C6, C7, C8, C9) may present with?
recurrent, invasive meningococcal or gonococcal infections.
Common variable immunodeficiency (CVID) involves which cell lines? Lab findings? Types of infections?
B- and T-cell abnormalities;
hypogammaglobulinemia.
Bacterial infections, often of the sinus tract and lungs, are common
Selective IgA deficiency presents as?
sinopulmonary infections or gastrointestinal involvement with inflammatory bowel disease, sprue-like illness, or celiac disease
Classical complement pathway (C1, C4, C2) deficiencies are associated with?
Rheumatologic disorders (SLE, vasculitis, scleroderma)
Patients suspected of having brain abscess from a likely odontogenic source should begin empiric antibiotic therapy wit?
intravenous penicillin and metronidazole.
Uncomplicated cutaneous anthrax should be treated with?
ciprofloxacin, levofloxacin, moxifloxacin, or doxycycline
UTI drug to avoid in last 30 days of pregnancy? Why?
UTI in pregnanct patients the last 30 days should be treated with?
Nitrofurantoin; higher rates of neonatal jaundice;
Amoxicillin
How does West Nile Neuroinvasive disease present?
Fever, headache, and focal limb weakness following outdoor activities
When are transplant patients at highest risk for CMV?
in the first few months after transplantation when (immunosuppression is typically highest, and patients who have just finished prophylaxis against cytomegalovirus)
disseminated zoster infection - contact precautions?
Airborne and contact