Eagle Preoperative Cardiac Risk Assessment Tool

Eagle Preoperative Cardiac Risk Assessment Tool 
Age: [select value="70 or younger=0|over 70 years old=1" name="age"]
History of Diabetes Mellitus: [select value="no=0|yes=1" name="diabetes"]
History of Angina: [select value="no=0|yes=1" name="angina"]
Previous Myocardial Infarction: [select value="no=0|yes=1" name="mi"]
Previous Congestive Heart Failure: [select value="no=0|yes=1" name="chf"]
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Interpretation: [calc value="score=(age)+(diabetes)+(angina)+(mi)+(chf); score>2?'High Risk':score>0?'Intermediate Risk':'Low Risk'" memo="score interpretation"]
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).is('')"]
reference:  
[link url="//www.ncbi.nlm.nih.gov/pubmed/8653858" memo="#1"] Eagle (1996) Circulation 93:1278
[link url="//www.fpnotebook.com/cv/Surgery/EglsCrdcRskAssmnt.htm" memo="#2"] FP Notebook page[/conditional]