Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r7e8e3d1fb7a6a01ff42d21e52d9cfb765044bc19 -rc1f0ee088a6d3e24a6920470ccda9e000c26dbed
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 7e8e3d1fb7a6a01ff42d21e52d9cfb765044bc19)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision c1f0ee088a6d3e24a6920470ccda9e000c26dbed)
@@ -83,9 +83,9 @@
 /// Venous pressure low exemption period (in task intervals) conversion factor (from Qb in mL/min) following an air trap fill.
 static const U32 VENOUS_PRES_AT_FILL_DELAY_FACTOR = (U32)( VENOUS_PRES_AT_FILL_DELAY_MAX_BLOOD_VOL_ML * (F32)SEC_PER_MIN * ( (F32)MS_PER_SECOND / (F32)TASK_GENERAL_INTERVAL ) );
 
-#define LOW_VENOUS_PRES_MONITOR_TIME        ( 1200 )                                        ///< Time in millisecond to monitor low Venous pressure
-#define LOW_VENOUS_PRES_MONITOR_WINDOW      ( LOW_VENOUS_PRES_MONITOR_TIME / \
-                                                TASK_GENERAL_INTERVAL )                     ///< Low Venous pressure monitoring window
+#define MIN_TIME_BETWEEN_AIR_TRAP_FILL_EXEMPTIONS_MS        ( 1200 )                        ///< To monitor low Venous pressure in the defined interval in a case where continuous air fill event happens followed by exemption period to stabilize the pressure
+#define MIN_TIME_BETWEEN_AIR_TRAP_FILL_EXEMPTIONS_WINDOW    ( MIN_TIME_BETWEEN_AIR_TRAP_FILL_EXEMPTIONS_MS / \
+                                                              TASK_GENERAL_INTERVAL )       ///< Low Venous pressure monitoring window between air fill events based on the task interval time
 
 #define PSI_TO_MMHG                         ( 51.7149F )                                    ///< Conversion factor for converting PSI to mmHg.
 
@@ -857,7 +857,8 @@
             // compute exemption period (in general task intervals) for low venous pressure alarms after air trap fills
             U32  exemptPeriod = VENOUS_PRES_AT_FILL_DELAY_FACTOR / qBx;
             // minimumMonitoring Window helps to check and raise low venous pressure alarm on a case where repeated fill events occurrence.
-            U32  minimumMonitoringWindow = exemptPeriod + LOW_VENOUS_PRES_MONITOR_WINDOW ;
+            // During this interval, if another airtrap fill occurs, there is no exemptions provided to stabilize the pressure and low venous pressure being raised when it goes below threshold value.
+            U32  minimumMonitoringWindow = exemptPeriod + MIN_TIME_BETWEEN_AIR_TRAP_FILL_EXEMPTIONS_WINDOW ;
 
             venPresLow = ( venPres < (F32)currentVenousMinLimit ? TRUE : FALSE );
             venPresHigh = ( venPres > (F32)currentVenousMaxLimit ? TRUE : FALSE );