They will have access to a visual aid, such as a TV, and a communication tool. The patient would be there, and they would be able to communicate with the specialist. Sometimes it's very sophisticated, so that through the technology you're able to do a fairly comprehensive....
I'm looking at my physician colleagues here. My experience as a nurse has been around advanced specialized wound care. I've used telehealth, and it was very successful in terms of getting a fairly good quality of image and communication and getting access to a specialist.
I hope I've answered your question.