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Clinicians' Library User Guide: Isabel: Diagnostic Decision Support Tool

Guides Loma Linda University affiliated Clinicians through the optimal use of Library resources.

What is Isabel?

Isabel is an award-winning, web based diagnosis decision support application. Signs and symptoms are entered  and Isabel instantly returns a list of possible diagnoses.  In addition, access to knowledge from textbooks, journals, external web resources as well as treatments and guidelines is provided for each diagnosis.  

ü  Helps with diagnostic hypothesis generation and  narrowing the differential list

ü  Mobilizes knowledge by serving as a gateway to  clinical reference resources

ü  Provides access to treatments and guidelines 


How to "Isabel" It

NOTE:  There are 2 versions of Isabel availalble: Isabel - Adult & Isabel - Peds.  This illustration shows Isabel-Adult which integrates with DynaMed. Isabel-Peds integrates with Best Practice.

Accessing Isabel

Access Isabel in one of 3 ways


1.  One Portal>Apps>Clinical  Desktop – POC tools section

2.  One Portal>Apps>Reference Desktop>Isabel

3.  Mobile access

a.  In a browser, go to the library’s database page from an LLU connected device (you need to be on campus):

b.  Click on Isabel-Adult or Isabel-Pediatrics

c.  On the Isabel site, click on the “Mobile Access Details”.  A popup will appear with the current mobile username and password.

d.  Follow the instructions below the login details.

If the Popup does not contain the username and password, most likely the device you are connected with is not on a LLU network.  This is a must so that the publisher can determine that you are entitled to access. 



Using Isabel

When Should I Use Isabel?

ü  Cases with diagnostic dilemma 

ü  Multiple symptoms not fitting one diagnosis

ü  When your patient is not responding to treatment 

ü  Research potential pathologies based on the clinical feature you are observing

ü  Resident Reports

ü  When you need POC evidence-based guidelines and treatment options 

ü  On patients who have been in hospital without diagnosis for 2 days or more