private void PacienteSelecionado(object sender, SelectedItemChangedEventArgs selectedItemChangedEventArgs)
        {
            var paciente = (Paciente)selectedItemChangedEventArgs.SelectedItem;

            if (paciente != null)
            {
                var detalhesPacientePage = new DetalhesPacientePage();
                var viewModel            = new DetalhesPacienteVIewModel(paciente);
                detalhesPacientePage.BindingContext = viewModel;
                NavigationManager.EmpilharNavegacao(detalhesPacientePage);
                ListaPacientes.SelectedItem = null;
            }
        }
        private void SizeChanged4(object sender, System.EventArgs e)
        {
            DetalhesPacienteVIewModel vm = this.BindingContext as DetalhesPacienteVIewModel;
            var label = sender as Label;

            if (vm.TamanhoQuartaLinha < label.Height)
            {
                vm.TamanhoQuartaLinha = label.Height;
            }
            if (lblC2L4.Height > -1)
            {
                if (lblC1L4.Height > lblC2L4.Height)
                {
                    lblC2L4.HeightRequest = lblC1L4.Height;
                }
                else
                {
                    lblC1L4.HeightRequest = lblC2L4.Height;
                }
            }
        }