Synchronous telehealth is defined as:

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Synchronous telehealth is real-time, two-way communication where participants interact at the same moment, typically using interactive video with audio so information flows both directions immediately. This makes it possible for clinicians and patients to see, hear, and respond to each other as if they were in the same room. The winning option describes exactly that real-time, bidirectional exchange during the same time period. In contrast, store-and-forward involves sending information to be reviewed later without live interaction, asynchronous messaging is time-delayed communication, and a single-direction audio stream lacks the immediate back-and-forth communication that defines synchronous telehealth.