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Likelihood ratios for myocardial infarction (MI) based on components of the chest pain history

Likelihood ratios for myocardial infarction (MI) based on components of the chest pain history
Description of pain Positive likelihood ratio (95% CI)
Descriptions increasing the likelihood of MI
Radiation to right arm or shoulder 4.7 (1.9-12)
Radiation to both arms or shoulders 4.1 (2.5-6.5)
Exertional 2.4 (1.5-3.8)
Radiation to left arm 2.3 (1.7-3.1)
Associated with diaphoresis 2.0 (1.9-2.2)
Associated with nausea or vomiting 1.9 (1.7-2.3)
Worse than previous angina or similar to previous MI 1.8 (1.6-2.0)
Described as pressure 1.3 (1.2-1.5)
Descriptions decreasing the likelihood of MI
Pleuritic 0.2 (0.1-0.3)
Positional 0.3 (0.2-0.5)
Sharp 0.3 (0.2-0.5)
Reproducible with palpation 0.3 (0.2-0.4)
Inframammary location 0.8 (0.7-0.9)
Nonexertional 0.8 (0.6-0.9)
History_and_LRs_for_MI.htm
CI: confidence interval.
Data from: Swap C, Nagurney J. Value and limitations of chest pain history in the evaluation of patients with suspected acute coronary syndromes. JAMA 2005; 294:2623.
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