Emergency Medicine
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Title: MRSA in Baltimore City

Category: Infectious Disease

Keywords: MRSA, resistant bacteria, sepsis, antiobiotics, baltimore (PubMed Search)

Posted: 10/17/2007 by Dan Lemkin, MS, MD (Updated: 6/4/2026)

A recent study came out which confirms what we already knew... that MRSA infections are no longer confined to ICUs but are spreading to the community. What the new study does show, is that it affects particular populations disproportionately and Baltimore City, more than any other study population. The full article is attached below, or can be obtained for free from the JAMA website.

"Unadjusted incidence rates of all types of invasive MRSA ranged between approximately 20 to 50 per 100 000 in most ABCs sites but were noticeably higher in 1 site (site 7, Baltimore City) (TABLE 2)."

"... we calculated interval estimates excluding site 7 (Baltimore City) to allow the reader to interpret a range of estimates reflecting different metropolitan areas. Regarding the high observed incidence rates reported by site 7, we conducted an evaluation to determine whether these results were valid, including a review of casefinding methods, elimination of cases to include only those with zip codes represented in the denominator, contamination in any laboratory, and other potential causes for increased rates; however, none were in error."

Attachments



Title: CAP 2007

Category: Infectious Disease

Keywords: community acquired pneumonia, CURB-65, empiric antibiotics (PubMed Search)

Posted: 9/18/2007 by Mike Winters, MBA, MD (Updated: 6/4/2026)

Important EM pearls from the recent 2007 IDSA/ATS guidelines for treatment of community-acquired pneumonia (CAP) Patients should be treated for a minimum of 5 days CURB-65 a new pneumonic; any patient with ? 2 warrants admission Confusion Uremia elevated Respiratory rate low Blood pressure age > 65 Outpatient CAP treatment Healthy + no abx in past 3 months ? macrolide Comorbidities OR use of abx within last 3 months ? a respiratory fluoroquinolone OR ?-lactam + macrolide Inpatient CAP treatment ICU patients ? ?-lactam + either azithromycin or a respiratory fluoroquinolone Non-ICU patients ? respiratory fluoroquinolone OR ?-lactam + macrolide Mandell LA, et al. Infectious Diseases Society of America/American Thoracic Society Consensus Guidelines on the Management of Community-Acquired Pneumonia in Adults Clinical Infectious Diseases 2007;44:S27-S72

Title: Tuberculosis Screening

Category: Infectious Disease

Keywords: TB, PPD, Conversion (PubMed Search)

Posted: 7/8/2007 by Michael Bond, MD (Updated: 6/4/2026)

PPD is considered positive: >= 15 mm Induration: Anybody >= 10 mm induration: Born in a high-revalence country, are in a medically underserved population ( e.g.:Blacks, Hispanics, and Native Americans), individuals with a medical condition that increases risk of TB (e.g.; silicosis, gastrectomy, chronic renal failure, immunosuppressant therapy, malignancy, IV drug abusers, and those that work in the medical field. >=5mm induration: HIV or suspected HIV-positive, close contacts of newly diagnosed TB Cases (everybody on the plane), and abnormal CXR with fibrotic changes suggesting old TB MMWR September 08, 1995/ 44(RR-11);18-34

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