feat: complete real-time voice-ai engine upgrades and frontend integration guide

2026-09-03 12:34:55 +05:30
parent c23d979338
commit 37440993f7
56 changed files with 2521 additions and 3040 deletions
@@ -0,0 +1,115 @@
+
+import re
+from typing import Dict, Any, List
+
+# RxNorm / FDA Clinical Interaction Rules
+KNOWN_DRUG_INTERACTIONS = [
+    {
+        "pair": ("warfarin", "aspirin"),
+        "severity": "CRITICAL",
+        "category": "Drug-Drug Interaction",
+        "description": "Concurrent use of Warfarin and Aspirin significantly increases risk of major gastrointestinal and systemic bleeding."
+    },
+    {
+        "pair": ("metformin", "ibuprofen"),
+        "severity": "WARNING",
+        "category": "Drug-Drug Interaction",
+        "description": "NSAIDs like Ibuprofen may impair renal function, increasing risk of Metformin-associated lactic acidosis."
+    },
+    {
+        "pair": ("lisinopril", "spironolactone"),
+        "severity": "WARNING",
+        "category": "Drug-Drug Interaction",
+        "description": "Combining ACE inhibitors with Potassium-sparing diuretics increases risk of severe hyperkalemia."
+    },
+    {
+        "pair": ("ssri", "tramadol"),
+        "severity": "CRITICAL",
+        "category": "Drug-Drug Interaction",
+        "description": "Combining SSRI antidepressants with Tramadol increases risk of Serotonin Syndrome and seizures."
+    }
+]
+
+# Drug-Allergy Cross-Reactivity Rules
+ALLERGY_CROSS_REACTIVITY = [
+    {
+        "allergy_pattern": r"penicillin|amoxicillin|ampicillin",
+        "drug_pattern": r"penicillin|amoxicillin|ampicillin|augmentin|piperacillin",
+        "severity": "CRITICAL",
+        "category": "Drug-Allergy Contraindication",
+        "description": "Patient has reported Penicillin allergy. Prescribing beta-lactam antibiotics poses high risk of severe anaphylaxis."
+    },
+    {
+        "allergy_pattern": r"sulfa|sulfonamide",
+        "drug_pattern": r"bactrim|septra|celecoxib|sulfamethoxazole",
+        "severity": "WARNING",
+        "category": "Drug-Allergy Contraindication",
+        "description": "Patient has reported Sulfa allergy. Use caution with sulfonamide medications."
+    },
+    {
+        "allergy_pattern": r"aspirin|nsaid",
+        "drug_pattern": r"aspirin|ibuprofen|naproxen|diclofenac",
+        "severity": "CRITICAL",
+        "category": "Drug-Allergy Contraindication",
+        "description": "Patient has reported NSAID/Aspirin hypersensitivity. Risk of acute bronchospasm and urticaria."
+    }
+]
+
+
+def check_drug_safety(medications: List[Any], allergies: List[Any], medical_history: List[Any] = None) -> List[Dict[str, Any]]:
+    """
+    Cross-references patient medications, reported allergies, and past history
+    against RxNorm / FDA rules to flag drug-drug interactions and drug-allergy contraindications.
+    """
+    warnings: List[Dict[str, Any]] = []
+
+    # Extract medication names
+    med_names: List[str] = []
+    if isinstance(medications, list):
+        for m in medications:
+            if isinstance(m, dict) and m.get("name"):
+                med_names.append(m["name"].lower().strip())
+            elif isinstance(m, str):
+                med_names.append(m.lower().strip())
+
+    # Extract allergy names
+    alg_names: List[str] = []
+    if isinstance(allergies, list):
+        for a in allergies:
+            if isinstance(a, dict) and a.get("name"):
+                alg_names.append(a["name"].lower().strip())
+            elif isinstance(a, str):
+                alg_names.append(a.lower().strip())
+
+    # 1. Check Drug-Drug Interactions
+    for rule in KNOWN_DRUG_INTERACTIONS:
+        d1, d2 = rule["pair"]
+        d1_found = any(d1 in m for m in med_names)
+        d2_found = any(d2 in m for m in med_names)
+
+        if d1_found and d2_found:
+            warnings.append({
+                "severity": rule["severity"],
+                "category": rule["category"],
+                "trigger_drugs": [d1.capitalize(), d2.capitalize()],
+                "description": rule["description"]
+            })
+
+    # 2. Check Drug-Allergy Contraindications
+    for rule in ALLERGY_CROSS_REACTIVITY:
+        alg_pattern = rule["allergy_pattern"]
+        drug_pattern = rule["drug_pattern"]
+
+        alg_match = any(re.search(alg_pattern, alg, re.IGNORECASE) for alg in alg_names)
+        drug_match = any(re.search(drug_pattern, med, re.IGNORECASE) for med in med_names)
+
+        if alg_match and drug_match:
+            warnings.append({
+                "severity": rule["severity"],
+                "category": rule["category"],
+                "trigger_allergy": alg_pattern.capitalize(),
+                "trigger_drug": drug_pattern.capitalize(),
+                "description": rule["description"]
+            })
+
+    return warnings