Index: HDDefs.h
===================================================================
diff -u -re6e689bdbd3827a97d984ba02e552c04623a4aca -r54397781729a6f5337b0c2a5e272989ba201efbe
--- HDDefs.h	(.../HDDefs.h)	(revision e6e689bdbd3827a97d984ba02e552c04623a4aca)
+++ HDDefs.h	(.../HDDefs.h)	(revision 54397781729a6f5337b0c2a5e272989ba201efbe)
@@ -173,7 +173,7 @@
     HD_POST_TREATMENT_STATE_START = 0,                                 ///< Start post-treatment mode state
     NUM_OF_HD_POST_TREATMENT_STATES                                    ///< Number of post-treatment mode states
 };
-typedef enum HD_Post_Treatment_Mode_States HD_POST_TREATMENT_STATE_T; ///< Type for HD post treatment mode states enumeration
+typedef enum HD_Post_Treatment_Mode_States HD_POST_TREATMENT_STATE_T;  ///< Type for HD post treatment mode states enumeration
 
 /**@}*/
 
@@ -217,9 +217,19 @@
     UF_COMPLETED_STATE,                                 ///< Completed state of ultrafiltration state machine
     NUM_OF_UF_STATES                                    ///< Number of ultrafiltration states
 };
-typedef enum UF_States UF_STATE_T;                      ///< Type for ultrafiltration states enumeration
+typedef enum UF_States UF_STATE_T;                      ///< Type for ultrafiltration states enumeration
+
+/// Enumeration of saline bolus states.
+enum Saline_Bolus_States
+{
+    SALINE_BOLUS_STATE_IDLE = 0,                        ///< No saline bolus delivery is in progress
+    SALINE_BOLUS_STATE_IN_PROGRESS,                     ///< A saline bolus delivery is in progress
+    SALINE_BOLUS_STATE_MAX_DELIVERED,                   ///< Maximum saline bolus volume reached - no more saline bolus deliveries allowed
+    NUM_OF_SALINE_BOLUS_STATES                          ///< Number of saline bolus states
+};
+typedef enum Saline_Bolus_States SALINE_BOLUS_STATE_T;  ///< Type for saline bolus state enumeration
 
-/// Enumeration of system message IDs.
+/// Enumeration of ultrafiltration command IDs.
 enum UF_Commands
 {
     UF_CMD_PAUSE = 0,                                   ///< Pause UF command
@@ -228,7 +238,7 @@
 };
 typedef enum UF_Commands UF_CMD_T;                      ///< Type for UF command IDs enumeration
 
-/// Enumeration of system message IDs.
+/// Enumeration of ultrafiltration adjustment option IDs.
 enum UF_Adjustments
 {
     UF_ADJ_TREATMENT_TIME = 0,                          ///< Adjust treatment time to achieve new ultrafiltration volume