Kuschner infections

quickster2008's version from 2016-01-15 03:49


Question Answer
What is the causative organism for Pitted Keratolysis?Corynebacteria.
What color does pitted keratolysis fluoresce when examined with a Wood's lamp?Coral red.
What is the most common infecting organism in superficial white onychomycosis?Trichophyton mentagrophytes.(fungi that causes ringworm)
Which disease is characterized by weeping granulomas and sinus tracts ofthe foot due to infection with Pseudoescheria boydiimadura foot
What is the treatment for cutanea larva migrans?Topical thiabendazole.(bendy like larva)
Name a highly contagious form of scabies seen in patients with HIV disease.Norwegian scabies.
A Cub Scout complains of a prickly sensation on his legs after wading in a lake on a sunny day in November. His scout troop is visiting a wildlife preserve in Upstate New York. Red macules appear hours later, which begin to itch over the remainder ofthe evening. Diagnosis?Cercarial dermatitis (swimmer's itch).
What is the causative organism for hand, foot, and mouth disease? Coxsackie virus (most commonly A 16).
What medication is used to treat chromoblastomycosis?Itraconazole.
A 16 year old boy presents with asymptomatic umbilicated papules on the dorsum of his right foot. Most likely diagnosis?Molluscum contagiosum.
What is the most common causative organism for septic arthritis?Staphylococcus aureus.
What medication is used to treat chromoblastomycosis?Itraconazole.
What is the correct dosage regimen for treating a serious diabetic infection of the foot with IV Trovafloxacin?200 mg q 24 hours.
What antibiotic is contraindicated in patients with a seizure history?Imipenam/cilastin(stick yourself w/pen f/seizure)
What consultation is important when placing a patient on IV aminoglycosides?Audiology.
The most common infecting organism in pediatric septic arthritis is Staphylococcus aureus. What organism is also very prevalent?Kingella kingae.
Which oral antifungal is known to cause bony malformations and CNS defects in the fetus when administered to pregnant females?Fluconazole.
Which oral antifungal is known to cause taste disturbances and green vision?Terbinafine.
Identify 2 oral antimicrobials that may incite serious adverse effects in those patients currently taking an HMG CoA reductase inhibitor?Itraconazole and Erythromycin.
What malignancy can develop in an area of chronic osteomyelitis? Epidermoid carcinoma.
What is Brodie's abscess?A metaphyseal bone abscess surrounded by granulation tissue and sclerotic bone in cases ofchronic osteomyelitis.
What organism is usually responsible for erysipelas? Group A Streptococcus
\Vhat cultures might one order to diagnose an extrapulmonary tuberculosis infection of a pedal phalanx?Acid fast cultures.
In what type infection is eosinophilia classically observed?Parasitic infections.
What titers are drawn to aid in the diagnosis of rheumatic fever?Anti-streptolysin 0 titers.
What antigens are present on the cell membrane of Staphylococcus that may be of diagnostic benefit when cultures are unattainable?Teichoic acids.
For which disease are Osler's nodes and Janeway lesions of diagnostic benefit? Infectious endocarditis.
If choosing an antibiotic for prevention of infectious endocarditis in a high risk individual, what treatment approach should be followed when the patient is already on an antibiotic for some other reason? Choose an antibiotic from a different class.
What is the name of the skin lesion at the site ofthe tick bite in Lyme Disease patients? Erythema chronicum migrans.
Which antibiotic is known to turn body fluids an orange color?Rifampin.
Which antibiotic has been implicated as a cause of tendon ruptures?Ciprofloxacin.
Which antibiotics should only be used with extreme caution in diabetic patients on oral sulfonylureas?Sulfonamides.
Why is Ceftin (cefuroxime) contraindicated in pregnant patients? Chance of renal tubular lesion formation in the fetus and mother.
What skin manifestation is characteristically seen in 2ยท6% of patients with sepsis secondary to Pseudomonas aeruginosa?Ecthyma gangrenosum.
In which genetic disease is infection with Pseudomonas aeruginosa a common problem?Cystic fibrosis.
What nail disease is caused by Pseudomonas aeruginosa?Green Nail Syndrome.
Which infection characteristically gives a fruity odor?Infections with Pseudomonas aeruginosa.
What topical medication should be used for infected burn wounds when heavy eschar is present?Mafenide (Sulfamylon).
A patient presents with dystrophic nails that have flecks of pigmentation throughout the nail plate. For which pathogen is this suggestive as a cause of onychomycosis?Aspergillus niger.
According to the Cierny and Mader classification for osteomyelitis, what would the designation be for an HIV positive patient with diffuse osteomyelitis ot'tbe right calcaneus?Stage 4 Bs.
In what instance are fluoroquinolones a possible risk for the induction of seizures?Concomitant administration of NSAIDs may increase penetration of drug into CSF and interact with excitatory neurotransmitters.
Ciprofloxacin and ltraconazole may be subject to specific drug interactions due to their metabolism. Explain. These drugs are inhibitors of the hepatic cytochrome p4S0 enzyme pathway.
Which microorganism is responsible for Lyme Disease?Borrelia burgdorferi.
What skin test is often positive in patients with septic arthritis caused by Mycobacterium tuberculosis?PPD.
A 55 year old female gardener steps on a rose bush lying on the ground. A thorn penetrates the 1st MPJ. What organism must be considered as a possible etiology for her painful, swollen septic joint?Sporothrix schenckii.
What are 2 white blood cell labeled bone scans?Indium 111 and Tc HMPAO.
hich group of organisms is not covered by Clindamycin?Gram negative aerobes.
Which group of organisms is not covered by Levofloxacin?Anaerobes.
Name 2 antibiotics that can be used to treat pseudomembranous colitis.metronidazole and oral Vancomycin
Which cephalosporin is often used in place of ceftriaxone (Rocephin) due to its similar coverage and cost efficiency?Cefotaxime (Claforan).
What organism is the major concern in patients with lymphangitis and cellulitis of the lower extremity?Beta Hemolytic Streptococcus.
What bacteria are often infecting organisms secondary to trauma associated with salt water injury?Vibrio species.
In which type puncture wound of the foot might you see Eikinella corrodens on culture results?Toothpick wounds (used).
What mold has been documented as a cause of a sepsis following pedal infection in immunocompromised patients, particularly those who garden in their bare feet?Fusarium.
How is cutanea larva migrans transmitted to humans? Contact with hookworm-infested dog or cat feces on public beaches.
What lower extremity manifestations may present in a person with Neiserrial meningitis?Palpable purpura on the lower legs.
What color do mycobacteria appear against a dark background on acid-fast stains?Yellow or red.
What are the typical symptoms of a patient with pseudomembranous colitis?Watery diarrhea, fever, and cramping.
Why are antidiarrheals contraindicated in cases of pseudomembranous colitis?Life-threatening toxic megacolon may result.
What arthritic disorder ofthe feet, ankles, and sacroiliac joints is associated with bacterial infection (e.g. Chlamydia)?Reiter's Syndrome.
What dermatologic manifestation is seen on initial presentation of patients with Rocky Mountain Spotted Fever?Erythematous macules on the ankles and wrists.
Name 3 causes of Steven-Johnson Syndrome.Herpesvirus infections 1, pregnancy, drugs.
In what infectious disease does one observe the classic "strawberry tongue."Scarlet fever.
hich antibiotic is contraindicated in children under eight years of age due to its potential to cause permanent discoloration of the teeth?Tetracycline.
For what infection are multinucleated giant cells on Tzanck smear diagnostic?Herpes infections.
With which class of antibiotics does potential major adverse effects exist in patients taking Digoxin?Macrolides.
With which oral antifungal have potential serious adverse effects been documented with patients taking tricyclic antidepressants?Terbinafine.
Patients with sickle cell anemia, and other hemoglobinopathies, have a higher incidence of osteomyelitis with which organism?Salmonella.
What does gas in the soft tissues indicate?An anaerobic infection. Aerobic metabolism does not produce gas.
Is "saline aspiration" from the leading edge of cellulitis a useful clinical too)?No, it is rarely productive for pathogens.
What are the classic signs of a necrotizing infection?Blistering and necrosis but these are generally late findings.
What is a clue to early diagnosis of a necrotizing infection?The patient's marked systemic toxicity in light of what appears to be "ordinary" cellulitis.
What is another name for clostridial myonecrosis?Gas gangrene.