Index: firmware/App/Modes/ModePostTreat.h
===================================================================
diff -u -rb8f8a3fdf24e26c0268b3f566061d8c6d7cd44e7 -r5d182b5d0c3ec20904cde60dc950d57948e4b189
--- firmware/App/Modes/ModePostTreat.h	(.../ModePostTreat.h)	(revision b8f8a3fdf24e26c0268b3f566061d8c6d7cd44e7)
+++ firmware/App/Modes/ModePostTreat.h	(.../ModePostTreat.h)	(revision 5d182b5d0c3ec20904cde60dc950d57948e4b189)
@@ -29,6 +29,52 @@
  *  @{
  */
 
+// ********** public definitions **********
+
+/// Record structure for a treatment log parameters payload.
+typedef struct
+{
+    U32 bloodFlowRate_mL_min;                   ///< Blood flow rate (in mL/min)
+    U32 dialysateFlowRate_mL_min;               ///< Dialysate flow rate (in mL/min)
+    U32 treatmentDuration_min;                  ///< Treatment duration (in min)
+
+    U32 acidConcentrate;                        ///< Acid concentrate option
+    U32 bicarbConcentrate;                      ///< Bicarbonate concentrate option
+    U32 potassiumConcentration;                 ///< Potassium concentration value in mEq/L.
+    U32 calciumConcentration;                   ///< Calcium concentration value in mEq/L.
+    U32 bicarbonateConcentration;               ///< Bicarbonate concentration value in mEq/L.
+    U32 sodiumConcentration;                    ///< Sodium concentration value in mEq/L.
+
+    F32 dialysateTemperature_degC;              ///< Dialysate temperature (in deg C)
+    U32 dialyzerType;                           ///< Dialyzer type option
+    U32 treatmentDateAndTime;                   ///< Treatment date and time in epoch time (in seconds)
+
+    F32 avgBloodFlow_mL_min;                    ///< Average blood flow rate during treatment (in mL/min)
+    F32 avgDialysateFlow_mL_min;                ///< Average dialysate flow rate during treatment (in mL/min)
+    F32 dialysateVolumeUsed_L;                  ///< Dialysate volume used during treatment (in L)
+    F32 avgDialysateTemperature_degC;           ///< Average dialysate temperature (in deg C)
+
+    F32 targetUFVolume_L;                       ///< Target ultrafiltration volume (in L)
+    F32 actualUFVolume_L;                       ///< Actual ultrafiltration volume (in L)
+    F32 targetUFRate_mL_min;                    ///< Target ultrafiltration rate (in mL/min)
+    F32 actualUFRate_mL_min;                    ///< Actual ultrafiltration rate (in mL/min)
+
+    U32 salineBolusVolume_mL;                   ///< Saline bolus volume (in mL)
+    U32 heparinType;                            ///< Heparin type
+    U32 heparinConcentration_IU_mL;             ///< Heparin concentration (in IU/mL)
+    F32 heparinBolusVolume_mL;                  ///< Heparin bolus volume (in mL)
+    F32 heparinDispenseRate_mL_hr;              ///< Heparin dispense rate (in mL/hr)
+    U32 heparinPreStop_min;                     ///< Heparin pre-stop time (in min)
+    F32 heparinDeliveredVolume_mL;              ///< Heparin delivererd volume (in mL)
+
+    F32 avgArterialPressure_mmHg;               ///< Average arterial pressure (in mmHg)
+    F32 avgVenousPressure_mmHg;                 ///< Average venous pressure (in mmHg)
+
+    U32 endTreatmentEarlyAlarm;                 ///< Alarm that causes treatment to end early
+    U32 deviceID;                               ///< Serial number or UID
+    U32 waterSampleTestResult;                  ///< Pass or fail
+} TREATMENT_LOG_PARAMS_DATA_PAYLOAD_T;
+
 // ********** public function prototypes **********
 
 void initPostTreatmentMode( void );                                 // Initialize this module