Index: firmware/App/Modes/ModeTreatment.h
===================================================================
diff -u -ra5560a2917aa62bcafd8e6a81041ace723237109 -rfe9b77e60850fe37da225d4348f0a6a8defc28db
--- firmware/App/Modes/ModeTreatment.h	(.../ModeTreatment.h)	(revision a5560a2917aa62bcafd8e6a81041ace723237109)
+++ firmware/App/Modes/ModeTreatment.h	(.../ModeTreatment.h)	(revision fe9b77e60850fe37da225d4348f0a6a8defc28db)
@@ -85,6 +85,11 @@
     U32 ufState;                                                    ///< Ultrafiltration state.
 } UF_DATA_PAYLOAD_T;
 
+/// Maximum time in this mode before blood sitting alarm given (in general task intervals).
+#define MAX_TIME_BLOOD_SITTING      ( ( 5 * SEC_PER_MIN * MS_PER_SECOND ) / TASK_GENERAL_INTERVAL )
+/// Maximum time in this mode before blood sitting warning given (in general task intervals).
+#define WARN_TIME_BLOOD_SITTING     ( ( 4 * SEC_PER_MIN * MS_PER_SECOND ) / TASK_GENERAL_INTERVAL )
+
 #pragma pack(pop)
 
 // ********** public function prototypes **********