Final answer:
A smartphone serves as the device that connects patients in rural areas with healthcare workers in emergencies and allows them to share photos for diagnosis.
Step-by-step explanation:
Smartphone is the device that helps connect patients living in rural areas with healthcare workers in an emergency and allows them to share photos with their doctors to aid in diagnosis. Patients can use the camera on their smartphones to capture images of their symptoms or wounds and share them with their doctors in real-time through various communication apps or email. This enables healthcare workers to remotely assess the condition and provide necessary guidance or advice for further treatment.
Learn more about Connecting patients in rural areas with healthcare workers