Detsky’s Modified Cardiac Risk Index for Preoperative Cardiac Risk Assessment

Detsky's Modified Cardiac Risk Index for Preoperative Cardiac Risk Assessment 
Age: [select name="age" value="70 and less=0|over 70 years=5"]
Prior myocardial infarction: [select name="prior_myocardial_infarction" value="no=0|within the last 6 months=10|more than 6 months ago=5"]
Unstable angina in the last 6 months: [select name="unstable_angina"  value="no=0|yes=10"]
Angina pectoris: [select name="angina_pectoris"  value="no=0|Canadian Angina Class 3=10|Canadian Angina Class 4=20"]
Alveolar pulmonary edema: [select name="pulmonary_edema"  value="no=0|in last week=10|ever=5"]
Suspected critical aortic stenosis: [select name="aortic_stenosis"  value="no=0|yes=20"]
Arrhythmia: [select name="arrhythmia"  value="sinus or sinus with PACs=0|other than sinus or sinus with PACs=5|more than five premature ventricular beats=5"]
Emergency surgery: [select name="emergency"  value="no=0|yes=10"]
General medical status: [select name="medical_status"  value="normal=0|poor=5"]
Score: [calc value="(age)+(prior_myocardial_infarction)+(unstable_angina)+(angina_pectoris)+(pulmonary_edema)+(aortic_stenosis)+(arrhythmia)+(emergency)+(medical_status)" memo="score"] ([calc value="score=(age)+(prior_myocardial_infarction)+(unstable_angina)+(angina_pectoris)+(pulmonary_edema)+(aortic_stenosis)+(arrhythmia)+(emergency)+(medical_status); score>30?'High risk':score>15?'Moderate 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/3772593" memo="#1"] Detsky (1986) J Gen Intern Med 1:213[/conditional]