Rouan Decision Rule for Myocardial Infarction[
Rule to determine the prevalence and characteristics of acute myocardial infarction (AMI) patients who present to emergency departments with normal or nonspecific electrocardiograms (ECGs).
[select name="Q1" value="no=0|YES=1"] <-- Age greater than 60 years
[select name="Q2" value="no=0|YES=1"] <-- Diaphoresis
[select name="Q3" value="no=0|YES=1"] <-- History of MI or angina
[select name="Q4" value="no=0|YES=1"] <-- Male sex
[select name="Q5" value="no=0|YES=1"] <-- Pain described as pressure
[select name="Q6" value="no=0|YES=1"] <-- Pain radiating to arm, shoulder, neck, or jaw
Score --> [calc value="score=(Q1)+(Q2)+(Q3)+(Q4)+(Q5)+(Q6)" memo="Score"] out of 6
Interpretation --> [calc value="score=(Q1)+(Q2)+(Q3)+(Q4)+(Q5)+(Q6);score>3?'Up to 26.0%':score>2?'Up to 12.0%':score>1?'Up to 4.8%':score>0?'Up to 3.4%':'Up to 0.6%'" memo="Risk of MI"] risk of myocardial infarction.
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).is('')"]
reference:
[link url="//www.ncbi.nlm.nih.gov/pubmed/2683709" memo="#1"] Rouan (1989) Am J Cardiol. 64: 1087-92.
[link url="//www.ncbi.nlm.nih.gov/pubmed/16342831" memo="#2"] Cayley (2005) Am Fam Physician. 72: 2012-21.
[/conditional]