Index: sources/gui/qml/main.qml
===================================================================
diff -u -refb549a694539630ba7c1d8e348f598052b85f0f -rb238ed3e1aa94f5c03d4e1a6ed6c9fdfdd2a3cb5
--- sources/gui/qml/main.qml	(.../main.qml)	(revision efb549a694539630ba7c1d8e348f598052b85f0f)
+++ sources/gui/qml/main.qml	(.../main.qml)	(revision b238ed3e1aa94f5c03d4e1a6ed6c9fdfdd2a3cb5)
@@ -147,6 +147,17 @@
     VTreatmentBloodFlow                                 { id: vTreatmentBloodFlow                                   }
     VTreatmentVitals                                    { id: vTreatmentVitals
         interval    : vTreatmentCreate.bloodPressureMeasureInterval
+        enableDialog: vHDOperationMode.inTreatment && vHDTreatmentStates.txDialysis
+        // As long as UI is in In-Tx BP/HR is updated and the dialog will pop up on interval.
+        onEnableDialogChanged : {
+            if ( vTreatmentVitals.enableDialog ) {
+                vTreatmentVitals.doTimerStart()
+            }
+            else {
+                vTreatmentVitals.doTimerStop()
+                vTreatmentVitals.doReset()
+            }
+        }
     }
 
     VGeneralEvent                                       { id: vGeneralEvent                                         }