New Diagnostic Criteria for Myocardial Infarction (MI)

Criteria for acute, evolving or recent MI

Either one of the following criteria satisfies the diagnosis for an acute, evolving or recent MI:

1) Typical rise and gradual fall (troponin) or more rapid rise and fall (CK-MB) of biochemical markers of myocardial necrosis with at least one of the following:

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British Hypertension Society classification of blood pressure levels (BHS-IV)

This classification equates with that of the European Society of Hypertension (ESH) and that of World Health Organization/ International Society of Hypertension (WHO/ISH), and is based on clinic blood pressure values. If systolic blood pressure and diastolic blood pressure fall into different categories, the higher value should be taken for classification.
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NYHA Functional Classification for Congestive Heart Failure

The New York Heart Association (NYHA) Functional Classification provides a simple way of classifying heart disease (originally cardiac failure), useful for preoperative assessment. It places patients in one of four categories, based on how much they are limited during physical activity:

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