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Finding Reliable Clinical Information Online. An Introduction. Nancy Clark, M.Ed. Director of Medical Informatics Education FSU College of Medicine. http://www.med.fsu.edu/informatics/MedicalReferences.asp. Major Competency. Students will
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Finding Reliable Clinical Information Online An Introduction Nancy Clark, M.Ed. Director of Medical Informatics Education FSU College of Medicine http://www.med.fsu.edu/informatics/MedicalReferences.asp
Major Competency • Students will • Demonstrate the ability to acquire new data and information and to critically appraise its validity and applicability.
Objectives of Session • Students will • Demonstrate ability to locate quality clinical information on the web utilizing a variety of strategies • Assess the reliability and validity of clinical information found using search engines on the web • Begin to utilize the FSU COM virtual library resources to locate medical information for clinical decision support [Old and new]
Resources • http://www.med.fsu.edu/informatics/ • Medical References • PowerPoint • Assessing the Validity of Online Medical Information • Decision Support • Using Drug Resources
Review • What is the most efficient, unbiased way to keep up to date? • Go to conferences • Read 20-30 journal articles a week • Look up answers to clinical questions when they occur in a reliable, current resource
In the Beginning… Journals Pocket Manuals Drug Info Text Books Note Cards Peer Reviewed
“Textbooks don’t smell as their contents rot, so readers will need to develop alternative crap detectors to avoid poisoning their minds and robbing their patients of current best care.” David Sackett, MDPioneer of Evidence Based Medicine (EBM) The half life of medical information is estimated at 5 years.
21st Century Medical Information Journals Pocket Manuals Drug Info Text Books Note Cards
Here is the Problem… Which of these sites are accurate? Which of these sites are reliable? Which of these sites are up to date? Which of these sites are not biased?
AMA Guidelines for Medical and Health Information Sites on the Internet Health on the Net Code of Conduct HON Assessing the Validity of Information on the Web
Assessing the Validity of Information on the Web • Site ownership/domain • Gov • CDC • AHRQ • NLM.NIH • DHHS • FDA • States fl.us • Edu • Medical Centers • Org • Associations • AAFP • ACP • ACOG • Disease orgs • ADA • ALA • Com • Commercial
Assessing the Validity of Information on the Web • Site ownership/domain • Contributors listed, credentials, contact info • Highly referenced, linked to primary literature • MEDLINE Abstracts/Journal Articles • Proceedings from scientific meetings • Timeliness: date posted, revised • Viewer access, payment and privacy • Funding and sponsorship
Wikipedia • List 5 ways Wikipedia does not fit the criteria as a reliable site.
Exercise • Search Google for treatment of back pain • Rate the first 20 hits • Sponsor? Advertisements? • Audience? • Authors? • Links? • Date Revised? • Do advanced search limit to .gov domain and compare results • Search for prostate cancer screening
Types of Information Found Free on the Web • Information for/by students • Information for/by patients • Information for/by clinicians • Information for/by researchers • Sales pitches, ads • Quacks who want to sell something • Unproven, unsubstantiated nonsense
Assessing the Validity of Information on the Web • Library subscription resource = reliable
Be Skeptical You will be taught the principles of critical review of the literature in your second year along with Evidence Based Medicine (EBM)
What Kind of Question Do I Have? • Basic science or background question? • What is an olecranon? • Clinical question? • What are the risk factors for hypertension? • Which is better for diagnosing pneumonia: x-ray, CT or MRI? • How should I treat otitis media? • How much does amoxicillin cost?
Answering a Background Question • Searching most efficient • Google/Wikipedia (assess the validity) • Use Medical Dictionary • Basic Science Textbooks • Access Medicine • Thieme
Searching with Google $ubscription Web Based Medical Information Free Google Search
Medical Dictionaries • Stedman’s is at eMedicine, in PEPID • Dorland’s at Merck
Exercises for Practice • Using Stedman’s Medical Dictionary • eMedicine online • PEPID online and PDA • Look up: dyspnea nephrolithiasis teratogenic iatrogenic epistaxis cyanosis
When to Use eBooks versus Quick References • Background information on topic • Basic science question instead of disease specific question • Detailed information/explanations versus bottom line • Lots of time versus short on time • Zebras versus common problems
WebFeat Search • Searches Library Resources • Pick the type of resources to search • Groups by resource • Uses resource search engine
New Website Searches • Multi-Search = Webfeat • Changing to SerialSolutions 360, August 2010 • Only eBooks and Patient Education
Access Medicine • Best selection of all basic science books • Combined with good clinical medicine books • Search productive
Answering Clinical Questions At the Point of Care
Answering Clinical Questions • Quickest method: Browse to specific resource • Requires: knowing the content of sites/resources • Starting point: Library web page or your handheld (iPod or cell phone) • Learn to use subscription resources
Access Issues • IP address verification • Limited simultaneous users • Special URL issues • Bottom Line • Use links on Library Homepage
Off Campus Access • IP authentication • Proxy server – EZProxy • FSU COM ID and password • Use links on library page
Differential Diagnosis Tools DDx DxPlain PEPID
Differential Diagnosis Tools • Enter symptoms or chief complaint • Get a differential • Get more info on disease • DxPlain ***** • Harvard • Allows for multiple symptoms and lab results • Drawback: Slow • PEPID*** • Multiple symptoms • Lab Results • Age, gender, duration • eMedicine ** • Access Medicine’s • Diagnosaurus* (DDX tab)
Using DxPlain or PEPID Patient 35 yr old female Chief complaint – fatigue, duration 2 months Other symptoms: throat pain, cold intolerance, weight gain, bradycardia, and constipation, Differential? Add lab: elevated TSH Exercises for Practice
Drug Information Rx Epocrates Online PEPID Harrison’s Practice
Epocrates Online • Rx, OTC and Alternative medicines by brand name, generic, and by class • Formularies • Drug Interaction tool • Disease reference, pill identifier, medical calculators, tables • Constantly updated
Epocrates Drug Interaction MultiCheck Tool • Add all the drugs on the patients medications list (Rx, OTC, Alt) plus drug considering • Look to see if any interactions • What is the severity of interaction
PEPID CRC Suite • Rx, OTC and Alternative medicines by brand name, generic, and by class • Drug Interaction tool • DDx, Disease reference, Lab manual, medical calculators, clerkships, images • Constantly updated
PEPID Drug Interaction Tool • Select all drugs on list • Say Done • Click Interactions • Click specific interaction to read details
Exercises for Practice • Using Epocrates Online • How should you prescribe acyclovir for chicken pox in an immunocompromised patient? (dose) • How much do 9 (50 mg) tablets of Imitrex cost? (common migraine drug) • Are there any drug interactions between Lexapro, Lortab, Xanax and Zocor?
Disease Quick References DynaMed (Web and PDA) eMedicine (Web and PDA) Harrison’s Practice (Web and PDA) Epocrates Dx PEPID
Types of Questions Best Answered by Disease Quick References • Description/background • Epidemiology • Diagnosis • Treatment • Ongoing management • Prognosis/outcomes • Prevention Bottom Line
DynaMed • Most comprehensive disease reference • Summarizes all the latest research on topic • Very detailed • Well organized • Links out to full text articles if more details needed • Includes both diseases and symptoms like chest pain PDA and Online
DynaMed • Organization: • Includes History and Physical sections (why am I asking these questions) • Expand or collapse sections • Use CTRL-F to search page