ID Flashcards
Treat gonorrhea with ceftriaxone
Treat chlamydia with doxycycline 7 days. Pregnancy use azithromycin instead of doxycycline
Treat chlamydia psittaci
Doxy, macrolide and fluoroquinolones 10-14 days
Hanta virus when expose to rodent excrement or urine
Rhodococcus equi when expose to horse on immunocompromised host and cause pulmonary nodule or cavitary lesion
Treatment of no sever first episode of c diff infection
Oral fidaxomycin, vancomycin, metronidazole
Fecal transplant used for multiple relapse of c diff infection
Fulminant c diff treatment is oral vanc and iv metronidazole and surgery. If ileus, use rectal instillation of vanc.
Treat secondary syphilis
Benzathine penicillin iv one dose
Treatment of late latent syphilis or unknown stage
Treat neurosyphilis with ceftriaxone if allergic to peni
Treat all stages of syphillis with doxy if allergic to peni except neurosyphilis
Benzathine penicillin iv three dose
Treat blastomycosis
Itraconazole
Round budding yeast with broad base
Blastomycosis
Gram positive budding yeast cells or pseudohyphae
Candida
Spherules
Coccidioides
Broad nonseptate hyphae with acute angle branches
Mucomycosis
Treat clostridial perfringen
Penicillin and clindamycin
Treat aeromonas hydrophila necrotizing skin by
Ciprofloxacin plus doxycycline
Treat mycobacterium avium complex
Clarithromycin and ethambutol
Live attenuated influenza vaccine is contrandicated in patient with hiv regardless of cd4 cell count
Treatment of antrax
Ciprofloxacin, levofloxacin and doxycycline
Descovy for prep is not used for people assigned female at birth who are having vaginal sex
Disseminated histoplasmosis show yeast cell within a leukocyte on peripheral blood smear
Treat cryptococcus neoformans
Amphotericin b and fluocytosin then maintain with fluconazole
Ixodes tick is the vector of lyme disease, babeosis and anaplasmosis and Powassan virus
Anaplasmosis infection
Fever headache leukopenia thrombocytopenia abnormal liver enzymes
Babeosis infection
Fever headache myalgia cough jaundice hepatosplenomegaly hemolytic anemia
Tick borne encephalitis will have biphasic manner: febrile viral like illness then a brief of defervescence and one or more neurologic syndrome
Orientia tsutsugamushi cause srub typhus with black eschar fever, rash and various multiorgan symptoms
Disseminated Herpes zoster on immunocompetent need more than 2 dermatomes oe vesicular lesions cross the midline. On immunocompromised need any dermatome
If disseminated, need airborne and contact
If not disseminated just need contact precaution
Treatment option of influenza
Oral oseltamivir, intranasal zanamivir, iv peramivir
Chikungunya often have joint pain
Meningitis due to strep pneumoncan treat with dexamethasone
Treatment of latent hepatic stage of malaria
Primaquine or tafenoqiune
Give glucocorticoid to ebv infection when autoimmune hemolytic anemia, cvs involvement and tonsillar enlargement with a compromised airway
Treat campylobacter on immunocompromised
Azithromycin
Aminoglycoside
Carbapenem
Bactrim
Tetracycline
Polyoma BK virus cause tubulointerstitial nephritis with decoy cells on urine microscopy
Severe Community acquired pneumonia needs glucocorticoid in addition to abx
Treatment for autoimmune encephalitis
Ivig and glucocorticoid
Treat mild cmv by valganciclovir, severe cmv by ganciclovir
Treat resistance cmv with cidofovir or foscanet
Treat cmv on bone marrow transplant by letermovir
Brucellosis includes intermittent fever lasting months, hepatosplenomegaly, arthralgia, depression
Histoplasmosis include lung cavitary lesion and mediastinal lymphadenopathy
Heartland virus is not response to doxycycline
Ethambutol can cause changes in visual acuity or red green color blindness
Mri brain in west nile virus show basal ganglia involvement and test by wnv igm
Hsv will test by pcr and showed unilateral temporal lobe enhancement on mri
Latent tb on immunocompetent treat with inz and rif or rifapentine for 3 months
Rifampin for 3 months
Inz 6-9 months
Invasive pulmonary aspergillosis, serum galactomannan is positive
Prep with tenofovir and emteicitabine
Pep with tenofovir emteicitabine and dolutegravir in 72 hours
Treat cryptosporidium or giardia by nitazoxanide
Cryptosporidium infection should not swim in pool for 2 week after diarrhea resolve
Treat mrsa if vanc mic more than 2 or close to 2 and clinical response is poor by daptomycin
Treat infectious endocarditis by mrsa with prosthetic valve
Vanc genta and rifampin
Treat muco rhizopus by amphotericine b then downgrade to posaconazole or isavuconazonium
Treat pid with
Cefotetan plus doxycycline
Ceftri plus doxy plus metro
Cefoxitin plus doxy
Primary central nervous system lymphoma present with a single well demarcated deep white matter periventricular lesion with minimal mass effect or edema
Cerebral toxoplamosis with multiple ring enhancing lesions
Diagnosis invasive candia by beta d glucan
Treat coccidioidomycosis by fluconazole
With meningitis fluconazole for life and intrathecal amphotericine b
Interferon gamma release assay can be negative in disseminated tuberculosis
Side effect of tenofovir disproxil fumarate is kidney dysfunction and reduce bone mineral densitive
Post exposure hiv drugs are tenofivir emteicitiabine and raltegravir or dolutegravir
Prophylaxis p jirroverci if cd4 less than 200 and toxoplasmosis if cd4 leas than 100 with bactrim
Treat unknown duration syphilis with benzathyl penicilline once a week for three doses
