feature: qSOFA Scoring & Sepsis Bundle Compliance

2026-06-18 22:52:43 +08:00
parent 3c54feb38a
commit 4b46c09f90
34 changed files with 2351 additions and 18 deletions
@@ -0,0 +1,34 @@
+using StackExchange.Redis;
+
+public static class QsofaCalculator
+{
+    public static readonly IReadOnlyList<string> QsofaCodes = new[]
+    {
+        "RESP_RATE", "SYSTOLIC_BP", "AVPU"
+    };
+
+    public static readonly IReadOnlySet<string> QsofaCodeSet =
+        new HashSet<string>(QsofaCodes);
+
+    // qSOFA criteria (Sepsis-3 consensus):
+    // - Respiratory rate ≥ 22 breaths/min
+    // - Systolic blood pressure ≤ 100 mmHg
+    // - Altered mentation: AVPU score ≥ 1 (any non-Alert state)
+    public static bool MeetsCriterion(string observationCode, decimal value) =>
+        observationCode switch
+        {
+            "RESP_RATE"   => value >= 22m,
+            "SYSTOLIC_BP" => value <= 100m,
+            "AVPU"        => value >= 1m,
+            _              => false
+        };
+
+    public static string CriterionKey(Guid encounterId, string code) =>
+        $"qsofa:{encounterId}:{code}";
+
+    public static RedisKey[] AllCriterionKeys(Guid encounterId) =>
+        QsofaCodes.Select(c => (RedisKey)CriterionKey(encounterId, c)).ToArray();
+
+    public static int CountActiveCriteria(RedisValue[] values) =>
+        values.Count(v => v.HasValue);
+}