ID Flashcards
VERY ITCHY, elevated, serpiginous skin lesions. Contact with sand (dog/cat poop)
Cutaneous larva migrans
Pneumonitis and colitis after bone marrow tplant?
Think CMV
Comm Acquired pneumonia tx
S Pneumo most common. No need for big guns/MRSA coverage. Levaquin has coverage. Cipro DOES NOT
Coccidio tx
fluconazole
Pneumonia in intubated pts
pseudamonas - tx with antipseudamonal penicllin or cefepime
Immediate post op fever cause?
Think malignant hyperthermia, prior infection or blood products rxn
Malaria-like infection in NE USA?
Babesia
Amoxicillin staph coverage?
NOPE - beta lactamase in staph
4D (days fever), cough, coryza conjunctivitis. Can have arthralgias in older patients. More mild fever
Rubella
VERY HIGH fever. Koplik spots. Rash
Measles
Tx for crypto meningitis
AmphoB and flucytosine
Hemochromatosis has increased risk for what infections?
Listeria (also yersina enterocolitica and vibrio vulnificus (iron loving))
Tx for actinomyces
PCN sensitive
Tx for nocardia
Bactrim
G/C tx
Azithro (doxy) and ceftriaxone
Tx for Histo
itraconazole
Step on a nail - get osteomyelitis
NOT tetanus - pseudamonas
Patients less than 20 y/o with CF and PNA
S Aureus more common in younger patients than pseudomonas
Treatment for post-exposure HIV for healthcare workers and stuff
Regular HAART - 2-3 drug tx
Cavitary lesion, destruction of underlying pulmonary parenchyma, Moves around with position change
aspergilloma
Air fluid level on CXR
Lung Abscess
Splenic Abscess
Common in infective endocarditis. Tx splenectomy. Can also develop L sided pleural effusion
If patient is so nauseous he cannot tolerate PO, inpatient treatment with IV
If patient is so nauseous he cannot tolerate PO, inpatient treatment with IV
Acute bacterial sinusitis can be common post viral. no fever necessary. Tx w abx
Acute bacterial sinusitis can be common post viral. no fever necessary. Tx w abx
Tx for HIV/candiasis/esophagitis
can treat empirically before endoscopy. Only EGD if unresponsive to tx
CMV esophagitis
HIV - linear ulcers
HSV esophagitis
HIV - round/ovoid ulcers. concurrent herpes outbreak
Anerobes above the diaphragm
Clindamycin
UTI with basic pH > 7
Proteus Mirabilis
How to treat PCP
Treat PCP before starting HAART. It has a 100% mortality rate. Tx with IV bactrim and steroids
g(-) rod, intracellular. stains poorly.
Legionella, tx with levaqiun/azithro
AIDS. TM effusion without signs of inflammation
Serous OM
What virus is associated with primary CNS lymphoma?
EBV
Skin lesions, bony lytics involvement with pulm nodule/finding
Disseminated blasto
Rabies vector
Raccoons
Shaking Chills, cyclical fever in a patient with an endemic area. Anemia and splenomegaly
Malaria
Polyarthralgia, tenosynovitis, painless vesiculopapular skin lesions
Disseminated Gonococcal
Skin-colored, verrucous, papilliform lesions around anus and tx?
HPV - podophyllin
Ecthyma gangrenosum
from pseudomonas. in neutropenic patients. necrotic center and surrounding erythema.
When do you start HAART (Cd4 of ?)
350 or less. If greater make sure patient has pneumovax
Bacteremia in Sickle Cell?
from s pneumo (asplenia). Salmonella is only Osteomyelitis.
PPX for dental procedures in MVP/Bicuspid Aortic/unrepaired cong defects?
NOPE. only in high risk valvular defects such as bicuspid aortic vv and unrepaired defects and prosthetic valve
back pain, fever with nn findings. Acute onset
epidural abscess
You must have what kind of infection to get rheumatic fever?
GAS PHARYINGITIS - impetigo won’t give you RF (but will give you psgn)
HIV drug with AE of wild, vivid dreams?
efavirenz
Kawasaki vs Scarlet fever
Kawasaki has eye and joint sxs. Tx kawasaki with asa and ivig
Very high fevers, followed by pink macules and papules on face and trunk? Fever so high may result in febrile sz
roseola HHV 6
History of drug use presents with fatigue, weight loss, cognitive impairment. Top of ddx?
HIV. HIV can cause cognitive impairment. With high risk history - likely dx
Chicken pox exposure in immunocompetent patient. How do you treat?
Just give vaccine. No reason to also give VZV Ig unless immunocompromised (then give within 10 d of exposure)
Immunocomp PNA with gram positive, crooked, beaded, branching, partially acid fast. What org?
Think Nocardia. Tx bactrim
treatment for cat scratch disease? (B henselae)
Azithro
suspected sepsis in baby. Whats the first thing you do?
LP. Unless fontanelles are mega super bulging, no CT is warranted first.
Cutaneous and visceral angioma-like blood vessel growths in immunocomp patients. Large pedunculated exophytic papule with a collarette of scale.
Bacillary angiomatosis. Bartonella species. Biopsies of these lesions are prone to hemorrhage.
Sepsis following nasal packing, tampon use, post surgery infections. Diffuse erythematous macular rash. Myalgias. dX?
Toxic shock syndrome
when do you give pneumovax earlier than 65?
Adults with COPD, CV, hepatic, renal, pulm, metabolic dz.
Adults need Td booster every 10 years. Also need TDaP once in place of Td
yes
Causes of epidydimitis in eldelry? In young?
Elderly: gram neg rods
Young: GC
1) Bitten by wild animal - rabies ppx?
2) Bitten by low risk animal - rabies ppx/tx?
1) ppx with IVIG and vaccine
2) observe animal for 10 days, no ppx needed right now
What parts of the world is malaria resistant to primaquine?
Subsaharan Africa, southern and southeast asia, Amazon. So, only the carribbean you can use primaquine? Use mefloquine, atovaquone/proguanil, or doxy in these areas
Leukopenia/thrombocytopenia, elevated LFT, febrile illness, tick bite. Dx and tx?
erlichoisis and doxy
