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![]() NINE DAYS AFTER
RETURNING from a trip to Brazil, a 39-year-old
man is at his primary care doctor describing an abrupt onset of
fever, myalgias, low back pain, and a petechial rash. Now his
fever is going down, but he has nausea, vomiting and a sore
throat.
Can you
diagnose the patient? Use the VisualDx
differential builder to help you. Hint: Start with the
"International Travel" clinical scenario, then add
"Brazil" and other key findings.
Look for
the answer on our Facebook
page on Tuesday, May 5.
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FOR MANY
COLLEGE STUDENTS, spring is a time to travel to a
tropical location and celebrate the end of mid-terms. For students
and other travelers who are booking flights to the Caribbean this
month, a little preparation in the form of bug spray might save them
from chikungunya virus (pronounced chik-un-GUHN-ya), a mosquito-borne
disease similar to dengue. The illness commonly causes fever, a rash,
and severe joint pain that can linger for months and even years.
Since 2013, 99.9% of the confirmed chikungunya cases in the United
States have been imported from mosquitoes carrying the virus in the
Caribbean. But data suggests that chikungunya, which was not found in
the Americas until late 2013, may become endemic in the United States
this year, partially due to the large influx of viremic travelers.
When mosquitoes in the United States bite infected travelers, they
will likely transmit the chikungunya virus to others. Another factor
that increases the likelihood of a US chikungunya outbreak is a
highly susceptible population with no preexisting immunity to the
virus.
The CDC recommends that travelers to the Caribbean apply bug spray
with DEET several times a day and wear long-sleeved shirts and pants.
Especially in cases of chikungunya disease, for which there is
currently no vaccine or treatment, an ounce of prevention (or bug
spray) is worth a pound of cure.
To see clinical information and over 25 images of the manifestations
of chikungunya, go to VisualDx: http://info.visualdx.com/e/11412/duleId-18-ampdiagnosisId-50622/31mmgv/562631443
References:
1. Stamm LV. Chikungunya: emerging threat to the United States. JAMA Dermatol.
2015;151(3):257-258.
2. Pan American Health Organization. Chikungunya fever in the
Americas. Number of reported cases: March 6, 2015. http://info.visualdx.com/e/11412/id-270-ampgid-29340-amplang-en/31mmgx/562631443.
Published March 2015. Accessed March 7, 2015.
3. Chikungunya virus in the United States. Centers for Disease
Control and Prevention Web site. http://info.visualdx.com/e/11412/ungunya-geo-united-states-html/31mmgz/562631443.
Updated March 10, 2015. Accessed March 12, 2015.
4. Van Bortel W, Dorleans F, Rosine J, et al. Chikungunya outbreak in
the Caribbean region, December 2013 to March 2014, and the significance
for Europe. Euro
Surveill. 2014;19(13). http://info.visualdx.com/e/11412/ewArticle-aspx-ArticleId-20759/31mmh2/562631443.
Accessed March 12, 2015
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At
VisualDx we always celebrate good news. From WIRED learn how VisualDx is making
a difference to doctors every day - supporting accurate diagnoses,
patient engagement, and giving them a little gross out material
too!
In April, our mobile app hit 100 million image views. Read about
the rise of mobile technology in the physician workflow at Yahoo Finance.
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Attend our
webinar and learn how you can improve your disease recognition,
challenge your colleagues to a competition, and get to the top of
the leaderboard using the Quiz App we have built for VisualDx!
Currently available only for iPhone and iPad.
MAY 13 at
12:00pm (Noon)
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Have you
only been using VisualDx on your Android phone? We just released a
major update and redesign for Android users that makes it possible
to use VisualDx on more devices and screen sizes. The new interface
includes features like search suggestion. Download the update
today!
Apple iOS users can now claim CME credits, and view and print their
certifications directly from mobile devices. Patient handouts can
also be emailed or printed from your device. Update today to use
these new features and more!
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We will be demonstrating VisualDx at
the following events. We can't wait to see you there!
- Society for Academic Emergency Medicine
Annual Meeting - May 12-16, San Diego, CA
- PIAA Medical Liability Conference -
May 13-15, Las Vegas, NV
- Medical Library Association Annual Meeting -
May 15-20, Austin, TX
- iHealth 2015 Conference - May 28-29, Boston,
MA
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