Etiology
Clinical features
Diagnosis
Images
Management
100
This is the most common etiologic agent of necrotizing fasciitis
What is Group A Strep
100
Staphylococcal toxic shock syndrome is usually associated with bacteremia, true or false
What is false
100
Above this number, there is a high probability of necrotizing fasciitis on the LRINEC score
What is 8
100
Organisms expected to see in the blood culture of this patient with iv drug use
What is Candida albicans
100
This medication can be used in patients with severe Group A Strep necrotizing fasciitis not responding to antibiotics (Pen/Clinda). It has been reported as a cause of aseptic meningitis
What is Intravenous immunoglobulin (IVIG)
200
Likely causative organism in this patient with H/O microcytic anemia/heme positive stool, and no trauma
What is Clostridium septicum
200
Likely diagnosis in 55 year old female visiting from Ethiopia, with fatigue, nausea, diarrhea (no fever), mild anemia/thrombocytopenia and abnormal LFTs
What is malaria
200
Likely diagnosis in patient being treated for Ehrlichiosis, now developing worsening fever, anemia, thrombocytopenia, abnormal LFTs, and decreased fibrinogen
What is Hemophagocytic lymphohistiocytosis (HLH)
200
Causative organism in this asplenic patient, who owns a cat and a dog, presenting with shock and DIC
What is Capnocytophaga canimorsus
200
Optic neuritis is a rare side effect of this commonly used Gram positive antibiotic agent
What is Linezolid
300
Organism that is the commonest cause of a febrile illness with hoarseness, difficulty clearing secretions, stridor
X-ray can show a positive "Thumb sign"
What is Hemophilus influenzae
Thumb sign
300
Condition in a 34 year old female with refractory hypotension, perineal erythema and severe tenderness/crepitus, leukocytosis of 66K, 4 days after vaginal delivery/episiotomy
What is gas gangrene caused by Clostridium sordelii
300
This organism has a "safety-pin" appearance on Gram stain and infection from it can present as lymphadenopathy, pneumonia or sepsis
What is Yersinia pestis
300
Treatment of choice for this infection
What is Atovaquone plus Azithromycin
300
This antibiotic can be used as part of the treatment of brucellosis, tularemia, plague and tuberculosis
What is Streptomycin
400
Infection caused by mixed aerobic/anaerobic bacteria that can cause a "bull neck" and "hot potato voice"
What is Ludwig's angina
400
Illness in a patient from Oklahoma presenting in July with fever, headache, myalgias, conjunctival injection, meningismus with thrombocytopenia, abnormal LFTs
What is Rocky Mountain Spotted Fever (RMSF)
400
In a pregnant female presenting with hepatitis from this organism, Cowdry Type A inclusion bodies are seen in the hepatocytes
What is Herpes simplex virus
400
Diagnosis in this patient with untreated sinusitis
What is subdural empyema
400
This is the antibiotic of choice for acute diarrheal illness caused by Shiga toxin-producing E coli (STEC)
What is no antibiotic
500
Group of Gram positive organisms which can cause lung abscesses, empyema, liver and brain abscesses; their culture plate smells like caramel
What is the Strep anginosus group of organisms
500
What type of isolation would be recommended for this patient with infection from the spores of a Gram positive rod
What are standard isolation precautions
500
This infection also called "Breakbone fever" can lead to increased blood vessel permeability, thrombocytopenia, internal bleeding and organ failure
What is Dengue hemorrhagic fever
500
The two treatments that would lead to improvement in this condition as shown
What are antibiotics and anticoagulation
500
Treatment of choice in an immunocompromised patient presenting with fever, hypotension, hyponatremia, hyperkalemia, abnormal LFTs, perp smear as shown
What is Amphotericin B