<MedicationAdministration xmlns="http://hl7.org/fhir"><id value="medadmin0315"/><contained><Device><id value="cannula"/><definition value="http://example.org/fhir/DeviceDefinition/oxygen-nasal-cannula"/><status value="active"/><name><value value="Oxygen nasal cannula"/><type><coding><system value="http://terminology.hl7.org/CodeSystem/device-nametype"/><code value="user-friendly-name"/></coding></type></name><type><coding><system value="http://snomed.info/sct"/><code value="336623009"/><display value="Oxygen nasal cannula"/></coding></type></Device></contained><status value="completed"/><medication><concept><coding><system value="http://snomed.info/sct"/><code value="320917000"/><display value="Oxygen only product in gas for inhalation"/></coding></concept></medication><subject><reference value="Patient/pat1"/><display value="Donald Duck"/></subject><occurrencePeriod><start value="2026-02-10T14:20:00+01:00"/><end value="2026-02-10T18:00:00+01:00"/></occurrencePeriod><performer><actor><reference><reference value="Practitioner/f007"/></reference></actor></performer><request><reference value="MedicationRequest/medrx0352"/></request><device><reference><reference value="#cannula"/></reference></device><dosage><text value="Oxygen 2 L/min via nasal cannula (SpO2 below 88%)"/><route><coding><system value="http://snomed.info/sct"/><code value="447694001"/><display value="Respiratory tract route"/></coding></route><rateQuantity><value value="2"/><unit value="L/min"/><system value="http://unitsofmeasure.org"/><code value="L/min"/></rateQuantity></dosage></MedicationAdministration>