Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml
===================================================================
diff -u -r7d2122a9a4330ebc2ff4c22be36f32e9a82417ec -r13d04e674e9d22091bcc72b97574bbba21fdc9c9
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 7d2122a9a4330ebc2ff4c22be36f32e9a82417ec)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 13d04e674e9d22091bcc72b97574bbba21fdc9c9)
@@ -29,12 +29,16 @@
 PreTreatmentBase { id: _root
     objectName: "_PreTreatmentCreate" // SquishQt testability
 
-    header.backVisible      : false
+    header.backVisible      : true
     header.confirmVisible   : true
     title.visible           : false
     header.confirmEnabled   : _preTreatmentCreateContent.confirmReady()
-    onConfirmClicked        : _preTreatmentCreateContent.confirm()
+    header.confirmText.text : vTreatmentCreate.parametersValidated ? qsTr("CONFIRM") : qsTr("VALIDATE")
 
+    onConfirmClicked        : vTreatmentCreate.parametersValidated ? _preTreatmentCreateContent.confirm() : _preTreatmentCreateContent.validate()
+
+    onBackClicked           : vTreatmentCreate.doCancel()
+
     function clear( vValue ) {
          if ( ! vValue ) return
         _preTreatmentCreateContent.clear()
Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateContent.qml
===================================================================
diff -u -rc62102200fea4a7acdee773156e6647a30d77967 -r13d04e674e9d22091bcc72b97574bbba21fdc9c9
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateContent.qml	(.../PreTreatmentCreateContent.qml)	(revision c62102200fea4a7acdee773156e6647a30d77967)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateContent.qml	(.../PreTreatmentCreateContent.qml)	(revision 13d04e674e9d22091bcc72b97574bbba21fdc9c9)
@@ -73,7 +73,7 @@
                 _bpMeasurementIntervalControl   .active     && _bpMeasurementInterval   .valid
     }
 
-    function confirm () {
+    function validate () {
         vTreatmentCreate                    .patientID = _pretreatmentPatientIDEntry.text
         vPostTreatmentAdjustmentTreatmentLog.patientID = _pretreatmentPatientIDEntry.text // store for the TreatmentLog
 
@@ -84,6 +84,8 @@
         vTreatmentCreate.doValidation       (        )
     }
 
+    function confirm () { vTreatmentCreate.doConfirm() }
+
     Connections{ target: vTreatmentCreate
         function onDidValidationPass            ( vValue ) {
             vPostTreatmentAdjustmentTreatmentLog.heparinDispensingRateOff = vTreatmentCreate.heparinDispensingRateOff   = ! vTreatmentCreate.heparinDispensingRate
@@ -101,7 +103,6 @@
             vTreatmentCreate.dialysateTempRejectReason                  = Variables.noRejectReason
             vTreatmentCreate.salineBolusVolumeRejectReason              = Variables.noRejectReason
             vTreatmentCreate.bloodPressureMeasureIntervalRejectReason   = Variables.noRejectReason
-            vTreatmentCreate.doConfirm                        ()
             _root.editingEnabled = false
         }
     }
Index: sources/view/VTreatmentCreate.cpp
===================================================================
diff -u -rc62102200fea4a7acdee773156e6647a30d77967 -r13d04e674e9d22091bcc72b97574bbba21fdc9c9
--- sources/view/VTreatmentCreate.cpp	(.../VTreatmentCreate.cpp)	(revision c62102200fea4a7acdee773156e6647a30d77967)
+++ sources/view/VTreatmentCreate.cpp	(.../VTreatmentCreate.cpp)	(revision 13d04e674e9d22091bcc72b97574bbba21fdc9c9)
@@ -64,6 +64,8 @@
     data.mHeparinBolusVolume                = _heparinBolusVolume              ;
 
     emit didAdjustment(data);
+    parametersConfirmed(false);
+    parametersValidated(false);
 }
 
 /**
@@ -76,6 +78,8 @@
     AdjustParametersConfirmRequestData  confirmTreatmentRequest;
     confirmTreatmentRequest.requestedState = AdjustParametersConfirmRequestData::eConfirm;
     emit didAdjustment(confirmTreatmentRequest);
+    parametersConfirmed(true);
+
 }
 
 /**
@@ -131,10 +135,12 @@
         trancembrncPressureLimitWindowRejectReason  (data.mTrancembrncPressureLimitWindowRejectReason   );
 
         emit didValidationFail();
+        parametersValidated(false);
     }
     else {
         if ( _txCode.isEmpty()) { generateTxCode(); }
         emit didValidationPass();
+        parametersValidated(true);
     }
 }
 
Index: sources/view/VTreatmentCreate.h
===================================================================
diff -u -rd862dfcd402206e33b314c458e41c13b684a4565 -r13d04e674e9d22091bcc72b97574bbba21fdc9c9
--- sources/view/VTreatmentCreate.h	(.../VTreatmentCreate.h)	(revision d862dfcd402206e33b314c458e41c13b684a4565)
+++ sources/view/VTreatmentCreate.h	(.../VTreatmentCreate.h)	(revision 13d04e674e9d22091bcc72b97574bbba21fdc9c9)
@@ -100,7 +100,8 @@
     VALUESET(float      , heparinBolusVolume                            , 0)
 
     VALUESET(QString    , patientID                                     ,"")
-    VALUESET(bool       , continueEnabled                               , 0)
+    VALUESET(bool       , parametersValidated                           , 0)
+    VALUESET(bool       , parametersConfirmed                           , 0)
 
     PROPERTY(QString    , txCode                                        ,"")