Circulation - ETCo2 Monitoring fix (#718)

**When merged this pull request will:**
- Move the etco2 and rr variables outside of the TQ check
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are read, understood and applied.
- Title of this PR uses our standard template `Component -
Add|Fix|Improve|Change|Make|Remove {changes}`.

addons/circulation/functions/fnc_AEDX_VitalsMonitor.sqf

@@ -93,10 +93,10 @@ if (_patient getVariable ["kat_AEDXPatient_PFH", -1] isEqualTo -1) then {
             _pr = 0;
         } else {
             _spO2 = GET_KAT_SPO2(_patient);
-
-            _etco2 = GET_ETCO2(_patient);
-            _breathrate = GET_BREATHING_RATE(_patient);
         };
+
+        private _etco2 = GET_ETCO2(_patient);
+        private _breathrate = GET_BREATHING_RATE(_patient);
 
         // List vitals depending on if AED pads and vitals monitoring (pressure cuff + pulse oximeter) is connected
         if (_patient getVariable [QGVAR(AED_X_VitalsMonitor_Connected), false] && _patient getVariable [QGVAR(DefibrillatorPads_Connected), false]) then {