NHYA

AcronymDefinition
NHYANorth Hampton Youth Association (North Hampton, NH)
References in periodicals archive ?
It is conducted in a NHYA II chronic systolic heart failure population, which is a distinct population from the EPHESUS study population (patients with left ventricular dysfunction (LVEF less than or equal to 40 %) and clinical evidence of heart failure after recent myocardial infarction).
1-32] concentrations, but because of the subjective nature of the NHYA classification, this result was expected.