Table 3.

NYHA and modified Ross classification of heart failure in children.

Modified Ross Classification of HF in Children < 6 year	NYHA Classification of HF in Children > 6 year
Class I: Asymptomatic	Class I: Asymptomatic
Class II: Mild tachypnea or diaphoresis with feeding in infants; dyspnea on exertion in older children	Class II: Slight or moderate limitations of physical activity
Class III: Marked tachypnea or diaphoresis with feeding in infants. Prolonged feeding times with growth failure; Marked dyspnea on exertion in older children	Class III: Marked limitation of physical activity
Class IV: Symptoms such as tachypnea, retractions, grunting, or diaphoresis at rest	Class IV: Symptoms at rest.