What is a class 3 or class 4 cardiac condition NY State DMV?

In New York State, a Class 3 cardiac condition refers to individuals with moderate Heart disease that may cause functional limitations, while a Class 4 cardiac condition indicates severe heart disease with significant limitations on physical activity and may lead to symptoms even at rest. These classifications are used to evaluate a person's fitness to drive safely. Individuals with such conditions may need to undergo a medical evaluation to determine their eligibility for a driver's license.