A Nissan Rescue ambulance in a barangay is a medical vehicle designed for emergency situations, equipped to transport patients in need of immediate medical assistance. It's typically a Nissan Urvan or NV350 model, adapted with features like specialized medical equipment and designated spaces for patient care. The ambulance is a crucial asset for a barangay, enhancing its ability to respond to emergencies and provide essential medical services, especially in remote or underserved areas.