Create app.py

app.py

@@ -0,0 +1,61 @@
+import streamlit as st
+import fhirclient.models.observation as o
+import fhirclient.models.codeableconcept as cc
+
+# LOINC code for the assessment of blood pressure
+LOINC_CODE = "85354-9"
+
+# Display the assessment form
+st.header("Assessment of Blood Pressure")
+systolic_bp = st.number_input("Systolic Blood Pressure")
+diastolic_bp = st.number_input("Diastolic Blood Pressure")
+
+# Create the SMART/FHIR Observation
+bp_observation = o.Observation()
+bp_observation.code = cc.CodeableConcept()
+bp_observation.code.coding = [
+    {
+        "system": "http://loinc.org",
+        "code": LOINC_CODE,
+        "display": "Blood pressure panel"
+    }
+]
+bp_observation.component = [
+    {
+        "code": {
+            "coding": [
+                {
+                    "system": "http://loinc.org",
+                    "code": "8480-6",
+                    "display": "Systolic blood pressure"
+                }
+            ]
+        },
+        "valueQuantity": {
+            "value": systolic_bp,
+            "unit": "mmHg",
+            "system": "http://unitsofmeasure.org",
+            "code": "mm[Hg]"
+        }
+    },
+    {
+        "code": {
+            "coding": [
+                {
+                    "system": "http://loinc.org",
+                    "code": "8462-4",
+                    "display": "Diastolic blood pressure"
+                }
+            ]
+        },
+        "valueQuantity": {
+            "value": diastolic_bp,
+            "unit": "mmHg",
+            "system": "http://unitsofmeasure.org",
+            "code": "mm[Hg]"
+        }
+    }
+]
+
+# Display the observation JSON
+st.write(bp_observation.as_json())