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Center for Health Sciences
Medical Physiology - Evidence-Based Medicine
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Introduction

What is EBM?

Patient Care Model
Life-long Learning
Why is EBM Important?
Available Evidence?
EBM Issues

The Well-built Question

The EBM Process
Anatomy of a Question

Finding Evidence

Selecting a Resource
Searching the Resource
Reviewing Search Results
Returning to the Patient

Evaluating Evidence

Evaluating the Validity
Validity Questions

 

Knowledge Test

Multiple Sclerosis
Case #2
Case #3
Case #4

 

Reference/
Glossary
Feedback

 

Searching the Resource

The following example search was conducted in December, 2007 using DynaMed.

PICO:

Our Question: Search Terms:

Patient Population

ischemic stroke, without dysphagia, elderly

stroke

Intervention

oral protein energy supplements

Outcome

primary: reduce mortality; secondary: reduce serious disability risk over time

 

 

Step 1:
Type into the Find Box the term: stroke and click Browse Topic:

 

Step 2:
Click the topic Stroke (acute management) since our patient is hospitalized with a stroke:

 

Step 3:
Results screen for Stroke (acute management). Click Treatment on the left menu column since our clinical question is about therapy:

 

Step 4:
On the results screen for Treatment DynaMed presents a conclusion about oral nutritional supplements based on a (level 1 [likely reliable] evidence) study published in Lancet:

 

We now go to Reviewing Search Results