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Kishnamurthy-Infection/HIV lc22
lecture 22
19
Medical
Graduate
12/01/2011

Additional Medical Flashcards

 


 

Cards

Term
What organism is responsibled for "Hot-tube" folliculitis?
Definition
Pseudomonas aerigenosa
Term
What's Chancoid? and how do we treat it?
Definition
  • a sexually transmitted infection
  • painful, punched out ulcer
  • + culture of Haemophilis ducreyi with "school of fish pattern"
  • Treatment:  IM Ceftriaxone
Term
What organisms is responsible for cat-scratch disease??
Definition
  • Bartonella Henselae
  • contact with blood/feces of Kittens
  • Sx: ascending lymphadopathy
  • TX: Erythromycin
Term
How do we treat Leprosy (Hansen's disease)?
Definition
  • organism: mycobacterium leprae
  • respiratory transmission between people
  • Tx: Dapsone + Rifampin +/-Clofazamine (NO ISONIAZID)
Term
What organisms cause Lymphagitic spread, AKA ascending lymphagitis?
Definition
  • Sporothrix Schenckii
  • Bartonella Henselae
  • Mycobacterium Marinum
  • Nocardica Brazilensis

 

Term
What organism causes Mucormycosis?
Definition
  • Rhizopus spp.
  • immunocompromised patient: AIDs, Burn, DM, leukemia
  • clinically: cutaneous (necrotic abscesses). Rhinocerebral (sinus infection-->cerebral extension and necrosis)
Term
What organisms cause Molluscum-like lesions?
Definition
  • Cryptococcosis
  • Coccidioidomycosis
  • Histoplasmosis
  • Penicilliosis

 

C.C.Hi.P

Term
When it comes to Measles, what are "Koplik spots"?
Definition
  • Koplik Spots are reddish-blue macules on buccal/ lingual mucosa.

 

  • Measle: airborne, contagious, 10-11 incubation, Prodrome 3-C's (cough, Coryza Conjuctivitis). Morbilliform rash (red macules and papules) and koplik spots.
Term
What's erythema infectiosum?
Definition
  • caused by Parvovirus B19
  • incubation 4-14 days
  • stage 1: slapped cheek appearance
  • stage 2: net-like erythema of trunk and extremities
  • stage 3:recur 2-3 weeks later
Term
What is the major cause of death due to primary Varicella Zoster in HIV patients?
Definition
  • Fatal Pulmonary (lung) disease
  • HIV patient with severe immunosuppresion can be "re-infected" with VSV.
Term
What's Epstein Barr virus? What's the presentation?
Definition
  • Oral hairy leukoplakia (OHL): viral induced hyperplasia of oral mucosa. White "hairy" plaque on lateral margin of tongue.
  • Candidiasis is more common than OHL, However, CANNOT scrape off white plaque in OHL.
Term
What's the most common and 1st dermatitis in HIV patients?
Definition
  • Seborrheic dermatitis
  • seen in 85% HIV patient. common in pat with CD4 <450
  • manifested by diffused, greasy, red-yellow, scaly plaque involving face and scalp.
Term
What's eosinophilic Folliculitis? How to Dx and Tx?
Definition
  • Itchy follicular eruption. More itchy than pain
  • DX: skin biopsy show eosinophils in infundibula of hair follicles. elevated serum eosinophils and IgE.
  • Tx: treat with topical steroids.
Term
What's Porphyria Cutanea Tarda?
Definition
  • Abnormal liver fx in HIV+
  • Produce greater concetration of porphyrins due to loss of enzyme Uroporphyrinogen decarboxylase (necessary for heme production)
  • Clinical: crusted vesicles on sun-exposed area. healing with hyperpigmentation
Term
What are the most common offender of cutaneous drug eruptions?
Definition

trimetoprime (TMP)/ Sulfamethoxasole (SMX) ( Bactrim)

responsible for 50% of all drug eruption in HIV. Patients are on this for PCP prophylaxis.

Term
What does Lymphoreticular maliganancy, more specifically Non-Hogkin's B-cell Lymphoma is commonly associated with?
Definition

over 50% associated with EBV (Epstein Barr virus)

more common thant T-cell lymphoma. poor prognosis.

Term
What's the major cause of death associate with Kaposi's sarcoma?
Definition

Gastrointestinal tract is most at risk for obstruction and hemorrhage secondary to kaposi's sarcoma. GI complication is the major cause of death associate with KS.


  • KS: most frequence neoplastic disorder in AIDs due to cotransmission of HHV-8. Causes vascular proliferation affecting skin and GI mucosa.
Term
characteristic of abscess in Furuncle (boil)?
Definition
abscess usually give cyclical/sporadc fever (not many things cause this)
Term
What are the risk factors of Toxic Shock Syndrome?
Definition
  • Highly absorbency tampos (better prognosis)
  • surgical wounds, burns, skin ulcer (poorer prognosis)
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