Diamond and Forrester Chest Pain Decision Rule

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Diamond and Forrester Decision Rule for Likelihood of Cardiac Chest Pain
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Factors:
[select name="Q1" value="no=0|YES=1"] <-- Substernal chest pain
[select name="Q2" value="no=0|YES=1"] <-- Exertional chest pain
[select name="Q3" value="no=0|YES=1"] <-- Chest pain relieved with rest
Demographics:
[select name="Q4" value="30 to 39=10|40 to 49=20|50 to 59=30|60 to 69=40"] <-- Age (years)
[select name="Q5" value="Male=100|Female=0"] <-- Gender
.....................................................................................................
Result --> [calc value="score1=(Q1)+(Q2)+(Q3);score1>2?'Typical angina':score1>1?'Atypical angina':score1>0?'Non-anginal chest pain':'No criteria present'" memo="classification"]
Interpretation --> [calc value="score2=(Q1)+(Q2)+(Q3)+(Q4)+(Q5);score2>142?'94% likelihood (high)':score2>141?'72% likelihood (intermediate)':score2>140?'27% likelihood (intermediate)':score2>139?'Risk is low to very low':score2>132?'93% likelihood (high)':score2>131?'65% likelihood (intermediate)':score2>130?'20% likelihood (intermediate)':score2>129?'Risk is low to very low':score2>122?'87% likelihood (high)':score2>121?'51% likelihood (intermediate)':score2>120?'13% likelihood (intermediate)':score2>119?'Risk is low to very low':score2>112?'76% likelihood (intermediate)':score2>111?'34% likelihood (intermediate)':score2>110?'4% likelihood (low)':score2>109?'Risk is low to very low':score2>42?'86% likelihood (high)':score2>41?'51% likelihood (intermediate)':score2>40?'14% likelihood (intermediate)':score2>39?'Risk is low to very low':score2>32?'73% likelihood (intermediate)':score2>31?'31% likelihood (intermediate)':score2>30?'7% likelihood (low)':score2>29?'Risk is low to very low':score2>22?'55% likelihood (intermediate)':score2>21?'22% likelihood (low)':score2>20?'3% likelihood (low)':score2>19?'Risk is low to very low':score2>12?'26% likelihood (intermediate)':score2>11?'12% likelihood (low)':score2>10?'2% likelihood (low)':'Risk is low to very low'" memo="risk"]
[checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).isNot('')"]
references:
[link url="http://www.ncbi.nlm.nih.gov/pubmed/440357" memo="#1"] Diamond GA, Forrester JS. Analysis of probability as an aid in the clinical diagnosis of coronary-artery disease. N Engl J Med. 1979 Jun 14;300(24):1350-8.
[link url="http://www.fpnotebook.com/cv/exam/DmndAndFrstrChstPnPrdctnRl.htm" memo="#2"] FP Notebook page
[/conditional]
Diamond and Forrester Decision Rule for Likelihood of Cardiac Chest Pain
.....................................................................................................
Factors:
<-- Substernal chest pain
<-- Exertional chest pain
<-- Chest pain relieved with rest
Demographics:
<-- Age (years)
<-- Gender
.....................................................................................................
Result --> classificationscore1=(Q1)+(Q2)+(Q3);score1>2?'Typical angina':score1>1?'Atypical angina':score1>0?'Non-anginal chest pain':'No criteria present'
Interpretation --> riskscore2=(Q1)+(Q2)+(Q3)+(Q4)+(Q5);score2>142?'94% likelihood (high)':score2>141?'72% likelihood (intermediate)':score2>140?'27% likelihood (intermediate)':score2>139?'Risk is low to very low':score2>132?'93% likelihood (high)':score2>131?'65% likelihood (intermediate)':score2>130?'20% likelihood (intermediate)':score2>129?'Risk is low to very low':score2>122?'87% likelihood (high)':score2>121?'51% likelihood (intermediate)':score2>120?'13% likelihood (intermediate)':score2>119?'Risk is low to very low':score2>112?'76% likelihood (intermediate)':score2>111?'34% likelihood (intermediate)':score2>110?'4% likelihood (low)':score2>109?'Risk is low to very low':score2>42?'86% likelihood (high)':score2>41?'51% likelihood (intermediate)':score2>40?'14% likelihood (intermediate)':score2>39?'Risk is low to very low':score2>32?'73% likelihood (intermediate)':score2>31?'31% likelihood (intermediate)':score2>30?'7% likelihood (low)':score2>29?'Risk is low to very low':score2>22?'55% likelihood (intermediate)':score2>21?'22% likelihood (low)':score2>20?'3% likelihood (low)':score2>19?'Risk is low to very low':score2>12?'26% likelihood (intermediate)':score2>11?'12% likelihood (low)':score2>10?'2% likelihood (low)':'Risk is low to very low'
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