public IActionResult CompartilharQrCode(string exameId, EPeriodoComp periodo)
        {
            var    key  = _exameService.GerarCodigoComp(exameId, periodo);
            string port = !HttpContext.Request.Host.Port.HasValue ? "" : $":{HttpContext.Request.Host.Port}";
            string http = HttpContext.Request.IsHttps ? "https://" : "http://";
            string host = $"{http}{HttpContext.Request.Host.Host}{port}";
            string path = $"{host}/exame/compartilhado/{key}";

            return(View(new ExameCompViewModel {
                ExameId = exameId, Periodo = periodo, Key = key, Url = path
            }));
        }