Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -rfba69244d94307e50fefaa1e88bcbb979584461e -rb1f1988fea3bf396aef67e2795f51a067c5f99a2
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision fba69244d94307e50fefaa1e88bcbb979584461e)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision b1f1988fea3bf396aef67e2795f51a067c5f99a2)
@@ -8,7 +8,7 @@
 * @file    PresOccl.c
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      17-Dec-2024
+* @date    (last)      06-Nov-2025
 *
 * @author  (original)  Sean
 * @date    (original)  15-Jan-2020
@@ -79,7 +79,6 @@
 #define VENOUS_PRESSURE_MAX_MMHG            ( 2000.0F )                                     ///< Maximum venous pressure reading (in mmHg) for range check.
 #define VENOUS_PRESSURE_MIN_MMHG            ( -1500.0F )                                    ///< Minimum venous pressure reading (in mmHg) for range check.
 #define VENOUS_PRESSURE_LIMIT_MAX_MMHG      ( 400.0F )                                      ///< Maximum venous pressure limit (in mmHg).
-#define VENOUS_PRESSURE_LIMIT_MIN_MMHG      (  0.0F )                                       ///< Minimum venous pressure limit (in mmHg).
 #define VENOUS_PRESSURE_OCCL_OFFSET_MMHG    ( 50.0F )                                       ///< Venous pressure occlusion threshold offset from max alarm limit (in mmHg).
 #define VENOUS_PRESSURE_EXEMPTION_PERIOD    ( ( 2 * MS_PER_SECOND ) /  \
                                                TASK_GENERAL_INTERVAL )                      ///< Venous pressure low exemption period (in task interval) after fill for all blood flow rate
@@ -443,7 +442,7 @@
     currentArterialMaxLimit = (S32)ARTERIAL_PRESSURE_LIMIT_MAX_MMHG;
     currentArterialMinLimit = (S32)ARTERIAL_PRESSURE_LIMIT_MIN_MMHG;
     currentVenousMaxLimit   = (S32)VENOUS_PRESSURE_LIMIT_MAX_MMHG;
-    currentVenousMinLimit   = (S32)VENOUS_PRESSURE_LIMIT_MIN_MMHG;
+    currentVenousMinLimit   = getMinVenousPressureWideValueMMHG();
 }
 
 /*********************************************************************//**
@@ -539,16 +538,17 @@
          ( PRESSURE_LIMITS_STATE_STABILIZATION_2 == currPresLimitsState ) )
     {
         // apply pressure windows when stable
-        S32 artOffset = getTreatmentParameterS32( TREATMENT_PARAM_ART_PRES_LIMIT_WINDOW ) / 2;                // Arterial is symmetric
-        S32 venMinOffset = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_ASYMMETRIC );             // Venous is asymmetric
-        S32 venMaxOffset = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_WINDOW ) - venMinOffset;
+        S32 artOffset           = getTreatmentParameterS32( TREATMENT_PARAM_ART_PRES_LIMIT_WINDOW ) / 2;             // Arterial is symmetric
+        S32 venMinOffset        = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_ASYMMETRIC );             // Venous is asymmetric
+        S32 venMaxOffset        = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_WINDOW ) - venMinOffset;
+        S32 venMinWideLimitMMHG = getMinVenousPressureWideValueMMHG();
 
         currentArterialMinLimit = stableArterialPressure - artOffset;
         currentArterialMinLimit = MAX( currentArterialMinLimit, ARTERIAL_PRESSURE_LIMIT_MIN_MMHG );
         currentArterialMaxLimit = stableArterialPressure + artOffset;
         currentArterialMaxLimit = MIN( currentArterialMaxLimit, ARTERIAL_PRESSURE_LIMIT_MAX_MMHG );
         currentVenousMinLimit   = stableVenousPressure - venMinOffset;
-        currentVenousMinLimit   = MAX( currentVenousMinLimit, VENOUS_PRESSURE_LIMIT_MIN_MMHG );
+        currentVenousMinLimit   = MAX( currentVenousMinLimit, venMinWideLimitMMHG );
         currentVenousMaxLimit   = stableVenousPressure + venMaxOffset;
         currentVenousMaxLimit   = MIN( currentVenousMaxLimit, VENOUS_PRESSURE_LIMIT_MAX_MMHG );
     }