Micro Dzs Flashcards
Pt with severe diarrhea, pneumonia and fever? Tx?
Legionairre’s disease. Macrolide, quinolone
pt with Joint pain with skin nodules and involuntary movements. Also notice red patches?
Streptococcus pneumo. Rheumatic Fever criteria
Pt has meningococci. Give contacts what? Treat pt with?
rifampin, ciproflocacin, ceftriaxone
ceftriaxone or penicillin G
Diabetic with cavitary lesion in lung?
Klebsiella
May occur after campylobactor infection?
Reactive arthritis or Guillain-Barre
Pt after eating shellfish has vesicular lesions on legs, diarrhea. Progresses to muscle necrosis, hypotension, death
Vibrio Vulnificus
Pt with bacterial infection that mimics appendicitis. Could have gotten it from?
Yersinia enterocolitica. Puppies (feces), milk, pork
Tx for H pylori?
triple therapy: PPI, clarithromycin, amoxicillian/metronidazole
Flu-like symptoms with jaundice and photophobia?
Leptospira
Jaundice, azotemia, fever, hemorrhage and anemia?
Weil’s disease/ (icterohemorrhagic leptospirosis)
Condylomata lata vs acuminata
syphilis (Lata for syphiLis) vs HPV
Rash starting from wrist and spreading to palms, trunk and soles. Bitten by?
vs
Rash starts centrally and spreads out, sparing palms and feet. Bitten by?
Rickettsia rickettsii (tick) (rickettsia on the wRist)
vs
typhus - R. porwazekii (louse)
(typus on the Trunk)
Rash on palms/soles?
CARS
Coxasakie A
Rickettsia
Secondary Syphilis
tick bite:
No rash monocytes with inclusions
vs
No rash and granulocytes
Ehrlichia vs Anaplasma
Mycoplasma - cannot treat with?
Tx with?
Anything that targets cell wall.
Macrolide or fluoroquinolone.
Pt with inflammatory lung disease that disseminates to bone/skin?
Blastomycosis
Fungi inside macrophages
Histoplasmosis
Pt with CF, more likely to get what fungal infection?
Aspergillus
Pt after TB, cavities may get filled with?
aspergillus
Pt asymptomatic but passing cysts of entamoeba. Tx? (tx if symptomatic)
Iodoquinol (metronidazole if symptomatic)
Pt with AIDs get severe watery diarrhea. Tx?
Cryptosporidium. Nitazoxanide
Chorioretinitis, hydrocephalus and intracranial opacities? Tx?
Toxoplasmosis triad. Dulfadizine and prymethamine
Pt who went swimming in lake. Rapidly progressing meningitis. Tx
Naegleria fowleri. Amphotericin
Pt with enlarged lymph nodes, recurring fever. Goes into coma. Bite mark on face. Tx?
Trypanosome brucei (all except Cruzi). Suramin and Melasoprol
Pt with fever, headache and splenomegaly. Fever comes every 48 hours? Tx.
Plasmodium Vivax in western hemisphere
P. Ovale in east
Chloroquine and primaquine. Add quinidine is life-threatening.
Pt with fever, headache and splenomegaly. Fevers every 72 hours. Tx?
Malariae. Chloroquine. Use Mefloquine in resistant. Add quinidine is life-threatening.
Pt with fever, headache, splenomegaly. Irregular fever patterns? Kidney and lung involvement? Tx?
P Falciparum. Chloroquine. Use Mefloquine in resistant. Add quinidine is life-threatening.
Maltese cross on slide. Tx?
Baberiosis. Atovaquone and azithromycin
Dz from Refuviid? Tx?
Traypanosoma cruzi. Chaga’s disease. Nifurtimox
pt with spiking fevers, hepatosplenomegaly, pancytopenia. Macrophages contain organisms. Tx?
Leishmanina donovani (from sandfly). Stibogluconate. Macrophages contain amastigotes
Pt with pain in bones, rash, headache?
Dengue fever
Fusion protein F?
on RSV. Causes repiratory epithelial cells to fuse and from multinuclearted giant cells
RSV - treatment that prevents pneumoina?
Palivizumab
AIDS pt with low-grade fevers, cough, hepatosplenomegaly and a tongue ulcer. CD<100. Organism in macrophages?
Histoplasmosis
AIDS pt with cottage cheese like lesions?
candida
AIDS pt with superfical vascular proliferation with lympcytes?
bacillary angiomatosis
AIDS pt with encephalopathy?
JC virus
AIDS pt with tongue lesion that cannot be scraped off?
EBV
AIDS pt with squamous cell CA in anus?
HPV
AIDS pt with pluritic pain, hemoptysis and infiltrates on imagine?
aspergillus
Pt with suspected UTI. Positve leukocyte esterase test?
Pt with positive nitrite test?
bacterial UTI
Gram neg bacterial UTI
Burning with urination? WBCs in urine?
Urethritis. gonorrhea or chalmydia
Increased urination and suprapubic pain? +urease test?
Cystitis. Proteus, klebsiella
Increased urination and suprapubic pain? negative urease test?
E coli, enterococcus
Works in dialysis unit?
HBV
Pt with adhesions of parietal peritoneum to liver?
Fitz-Hugh-curtis syndrome.
Pt doesn’t take out contact lenses. Eyes feel dry and painful, feels like there are foreign bodies in them. Red and tear up frequently. Dx? How to Dx? Tx?
Acanthamoeba. Slit-lamp for ring on cornea. Miconazole and neomycin
Pt doesn’t take out contact lenses. Eyes feel dry and painful, feels like there are foreign bodies in them. Becomes photophobic and cannot see as well.
HSV keratitis.
Pt with diffuse crampy abdominal pain over past 4 days. Weight loss of 10 lbs over past month. Inflammed gallbladder, Irregular mass in second portion of duodenum. Stool sample shows rough surfaced eggs. Tx?
Acscaris lumbricoides. Mebendazole.
Pt comes in with sudden onset of weakness, nausea, vomiting, and blurred vision. Fixed, dilated pupils. If pt got it from ingesting a microbe? Progression of symptoms?
Bolutlinum. GI distress, cranial nerves are the first affected. Then descending paralysis
Pt comes in with white flakyy adherent substance under skin of left breast. Microbe can also cause yeast infections. How to Dx?
Candida. KOH mount
Non-immunocompromised pts who are at risk for candida?
IV drug users can get endocarditis from candida.
Pt presents with difficulty swallowing and abdominal bloating. Unilateral periorbital edema. Tx?
Chagas.Nifurtimox.
Pt with rusty sputum. History of recurrent lung and skin infections. Cousin dies at 5 from severe pneumonia and uncle has had 2 surgeries for intracranial fungi. Thymic shadow is normal. Test for Dx?
CGD. Nitroblue tetrazolium
50 year old pt who 1 year ago presented with symptoms of psychosis. Progressed to ataxia and involuntary movements to death.
Prions
Newborn with petechiae, jaundice, microcepahly, retinitis, and deafness?
Congenital CMV
Pt returns from southeast asia with fever, severe muscle pain and knee pain. Erythematous rash covering her face and body with generalized lymphadenopathy. Most severe complication?
Dengue Fever. Dengue hemorrhagic fever and dengue shock syndrome.
Elephantitis? Transmission? Tx?
Wuchereria bancrofti. From mosquito. Diethylcarbamazine for larvae.
Pt with hemorragic destruction of adrenals. Microbe usually causes?
N. Meningitidis (not gonorrhea). Causes meningitis
Pt with cryptococcus. Most common disesases?
1) Meningitis (infects lung first, but usually asymptomatic)
2) granuloma formation in lungs (not pneumonia)
Pt with posterauricular lympadenopathy andpolyarthralgia?
Rubella