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Recipe Name:

Identifying Coronary Heart Disease (CHD) patients not on antiplatelet or anticoagulant therapy (antithrombotics)


Biomedical risk factor modification – treat to target.  Reducing Risk in Heart Disease guidelines recommend the use of aspirin for all patients with CHD unless contraindicated and the use

of anticoagulants (warfarin) for patients at high risk of thromboembolism post MI.



All active patients currently on your system (active = 3 or more visits in the last 2 years) that have been diagnosed  with CHD are not on any anticoagulants. 

CAT Starting Point:

  1. CAT Open
  2. Population Extract Loaded and Extract Pane "Hidden"
  3. OPTIONAL ONLY{*}: Filter Pane Open and, under the General Tab, "Active Patients (3x < 2 years)" selected

*The decision to select either "Active" or "All" patients is left to the practice to make

1 National Stroke Foundation. Clinical Guidelines for Stroke and TIA Management: A guide for general practice, pp4, 2008.

In the Filters Pane:

1. In the "Conditions" tab select "CHD" 



2. In the "Medications" tab under "Medications – Heart" select

  1. Antithrombotics - No 

2. Click "Recalculate"  


3. Click "View Pop"



This will list all active (if selected on the general filter tab) patients who coronary heart disease and are currently not taking anti-thrombotic medication and their last visit and assigned provider.


  To Export Patient List to Microsoft Excel:

1.  Click on the “Export Icon”  at the top of the Patient Reidentification window.

2.  Click on “Excel”

3.   Choose a file name and a location to save to (eg. Create a folder C:/ClinicalAudit/CAT Patient FollowUp)

4.  Click “Save”


The steps above will produce a list of patients with contact details in MS Excel which can then be used to:

1.   Go back through the individual patient records in the GP Clinical Desktop System (CDS) and update known records

2.  Phone patients to update their record

3.  Produce a mail merge to recall patients for follow up

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This CAT Recipe was submitted by

National Stroke Foundation
and supports their Clinical Guidelines for Stroke
and TIA Management: A guide for general practice, 2008.