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Several classifications pertaining to heart disease are in use: The classes are assessed in various ways, for instance, by physical examination (Killip), hemodynamic measurement (Forrester), and patient history (NYHA). The detailed meanings of each class are beyond the scope of this book, but several style points may be noted: ▪ Severity increases from lower to higher numbers and letters. ▪ There is no automatic correspondence between classes (eg, Killip class I is not equivalent to NYHA class I). ▪ The numerals are designators and are not quantitative or semiquantitative. Therefore, roman numerals are appropriate. ▪ Authors should describe their classification
Heart Disease Classifications
Heart Disease Classifications
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