Prognostication
Because E/Ea can estimate LV filling pressures and
patients with increased filling pressure have higher rates of morbidity and
mortality, it is expected that a high E/Ea predicts a poor outcome. E/Ea more
than 15 was found to be associated with increased mortality of patients with
acute myocardial infarction. By itself, Ea is also a good predictor for
clinical outcome. In various clinical conditions, patients who have an Ea less
than 5 cm/s are more likely to have much higher mortality than those with an Ea
more 5 cm/s.
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