feature: Trend Detection & Alert Suppression Windows

2026-06-18 21:18:13 +08:00
parent e6f7989298
commit 3c54feb38a
31 changed files with 2751 additions and 18 deletions
@@ -26,7 +26,9 @@ public enum AlertType
    WarningGlucoseMgDl,

    News2Warning,
-    News2Emergency
+    News2Emergency,
+
+    RapidDeterioration,
 }

 public static class AlertTypeExtensions
@@ -57,6 +59,7 @@ public static class AlertTypeExtensions
        AlertType.WarningGlucoseMgDl    => "WARNING_GLUCOSE_MG_DL",
        AlertType.News2Warning   => "NEWS2_WARNING",
        AlertType.News2Emergency => "NEWS2_EMERGENCY",
+        AlertType.RapidDeterioration => "RAPID_DETERIORATION",
        _ => throw new ArgumentOutOfRangeException(nameof(t))
    };

@@ -86,6 +89,7 @@ public static class AlertTypeExtensions
        "WARNING_GLUCOSE_MG_DL"   => AlertType.WarningGlucoseMgDl,
        "NEWS2_WARNING"   => AlertType.News2Warning,
        "NEWS2_EMERGENCY" => AlertType.News2Emergency,
+        "RAPID_DETERIORATION" => AlertType.RapidDeterioration,
        _ => throw new ArgumentOutOfRangeException(nameof(v), $"Unknown alert type: '{v}'")
    };

@@ -122,4 +126,31 @@ public static class AlertTypeExtensions
        _ => throw new ArgumentOutOfRangeException(
            nameof(observationCode), $"No warning alert type for observation code '{observationCode}'")
    };
+
+    public static bool IsSuppressible(this AlertType t) => t switch
+    {
+        AlertType.SepsisWarning or AlertType.News2Emergency => false,
+        AlertType.CriticalHeartRate or AlertType.CriticalTempC or AlertType.CriticalPotassiumMeqL
+            or AlertType.CriticalSpo2 or AlertType.CriticalRespRate or AlertType.CriticalWbcKUl
+            or AlertType.CriticalSystolicBp or AlertType.CriticalDiastolicBp
+            or AlertType.CriticalLactateMmolL or AlertType.CriticalAvpu
+            or AlertType.CriticalGlucoseMgDl => false,
+        AlertType.RapidDeterioration => false,  // trajectory alerts are never suppressed
+        _ => true  // all Warning* types and News2Warning
+    };
+
+    public static string? ObservationCodeForWarning(this AlertType t) => t switch
+    {
+        AlertType.WarningHeartRate      => "HEART_RATE",
+        AlertType.WarningTempC          => "TEMP_C",
+        AlertType.WarningPotassiumMeqL  => "POTASSIUM_MEQ_L",
+        AlertType.WarningSpo2           => "SPO2",
+        AlertType.WarningRespRate       => "RESP_RATE",
+        AlertType.WarningWbcKUl         => "WBC_K_UL",
+        AlertType.WarningSystolicBp     => "SYSTOLIC_BP",
+        AlertType.WarningDiastolicBp    => "DIASTOLIC_BP",
+        AlertType.WarningLactateMmolL   => "LACTATE_MMOL_L",
+        AlertType.WarningGlucoseMgDl    => "GLUCOSE_MG_DL",
+        _ => null
+    };
 }
@@ -0,0 +1,8 @@
+public enum TrendOutcome
+{
+    NotTrendCode,
+    InsufficientHistory,
+    Stable,
+    RapidDeterioration,
+    AlertAlreadyOpen
+}