Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r9ac163d4aeadc39a1bcd1d8110991f32e37fc806 -r3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 9ac163d4aeadc39a1bcd1d8110991f32e37fc806)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000)
@@ -57,6 +57,7 @@
 
     signal activeChanged()
     signal handleSelected()
+    signal sliderSelected()
 
     function incrementValue (vInStepSegments) {
         updateValue(vInStepSegments, true)
@@ -67,8 +68,6 @@
     }
 
     function updateValue(vInStepSegments, vIsIncrement) {
-        _root.isActive = true
-
         let amountChanged = 1
         if (vInStepSegments) {
             amountChanged = step
@@ -106,7 +105,11 @@
         // This is to resolve the use of slider with a switch and arrows enabled.
         // It allows correct behavior when using arrow on a first initialize increment of
         // the slider when the slider has inActiveZero to true.
-        value = (inActiveZero && (!isActive)) ? 0 : initActiveValue
+        if(!isActive) {
+            value = inActiveZero ? 0 : minimum
+        } else {
+            value = initActiveValue
+        }
 
         activeChanged() // emit
     }
@@ -287,9 +290,8 @@
         update(newCurrentValue)
     }
     onPressed: {
-        if(!_root.isActive) {
-            _root.isActive = true
-        }
+        // Indicate that the slider body was selected to provide handling/activation
+        sliderSelected() // emit
 
         // On a pressed action, if the snapped version of the new value is the same as the
         // current snapped value, do nothing; otherwise update the value to stay under
Index: sources/gui/qml/components/SliderCreateTreatment.qml
===================================================================
diff -u -r9ac163d4aeadc39a1bcd1d8110991f32e37fc806 -r3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000
--- sources/gui/qml/components/SliderCreateTreatment.qml	(.../SliderCreateTreatment.qml)	(revision 9ac163d4aeadc39a1bcd1d8110991f32e37fc806)
+++ sources/gui/qml/components/SliderCreateTreatment.qml	(.../SliderCreateTreatment.qml)	(revision 3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000)
@@ -119,10 +119,11 @@
         handlerVisible  : _root.adjustable
         isActive        : _root.active
         ticks           : true
-        onDragged               : { setInteractive(false) ;                       ; setActiveValid(     );}
-        onPressed               : { setInteractive(false) ; _root.pressed (     ) ; setActiveValid(     );}
-        onReleased              : { setInteractive(true ) ; _root.released(     ) ; }
-        onHandleSelected        : { setActiveValid();                               }
+        onDragged               : { setInteractive(false) ;                  ; }
+        onPressed               : { setInteractive(false) ; _root.pressed () ; }
+        onReleased              : { setInteractive(true ) ; _root.released() ; }
+        onHandleSelected        : { setActiveValid();                          }
+        onSliderSelected        : { setActiveValid();                          }
     }
 
     SliderArrows{ id:_sliderArrows
Index: sources/gui/qml/compounds/PressureRangeSlider.qml
===================================================================
diff -u -r9ac163d4aeadc39a1bcd1d8110991f32e37fc806 -r3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000
--- sources/gui/qml/compounds/PressureRangeSlider.qml	(.../PressureRangeSlider.qml)	(revision 9ac163d4aeadc39a1bcd1d8110991f32e37fc806)
+++ sources/gui/qml/compounds/PressureRangeSlider.qml	(.../PressureRangeSlider.qml)	(revision 3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000)
@@ -153,7 +153,7 @@
             diameter: Variables.sliderCircleDiameter
 
             decimal : 1
-            bgColor : Colors.pressuresOutOfRaneBg
+            bgColor : Colors.pressuresOutOfRangeBg
 
             hasAdjust    : true // imply that both handle need to be adjusted to mark as active
 
@@ -194,7 +194,7 @@
             step    : _root.step
             ticks   : _root.ticksVisible
 
-            // The min/max edge line markers visibility
+            // The min/max edge line markers' visibility
             minVerticalEdgeVisible: false
             maxVerticalEdgeVisible: false
 
Index: sources/gui/qml/globals/Colors.qml
===================================================================
diff -u -r376fa09daeeca0afef2b157005cc85e9595c4c96 -r3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000
--- sources/gui/qml/globals/Colors.qml	(.../Colors.qml)	(revision 376fa09daeeca0afef2b157005cc85e9595c4c96)
+++ sources/gui/qml/globals/Colors.qml	(.../Colors.qml)	(revision 3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000)
@@ -82,7 +82,7 @@
     readonly property color pressuresText                   : white
     readonly property color pressuresArterialBar            : "#31bcdb"
     readonly property color pressuresVenousBar              : "#c568ed"
-    readonly property color pressuresOutOfRaneBg            : red
+    readonly property color pressuresOutOfRangeBg           : red
 
     readonly property color fluidText                       : white
     readonly property color fluidValue                      : white
Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml
===================================================================
diff -u -r376fa09daeeca0afef2b157005cc85e9595c4c96 -r3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 376fa09daeeca0afef2b157005cc85e9595c4c96)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 3bf1c89cba7851e7658d4a7f2e7054ee6a4ff000)
@@ -183,7 +183,6 @@
                     onCheckedChanged: {
                         if ( ! active ) {
                             active = true
-                            checked = ! checked
                         }
                         vTreatmentCreate.heparinDispensingRate  = 0
                         _heparinDispensingRate.value            = 0