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+/* A first responder scenario involving the administation of a rescue 
+medication (Narcan) to an overdose victim by a First Responder or a 
+Bystander.  
+
+Create by J. Bryant, May 2016
+
+The model was developed to compare response times, but unexpected 
+scenarios emerged that was previously not considered.  Trace 6 and others
+show a double administration of Narcan by both the bystander and the first 
+responder.
+
+*/
+
+SCHEMA Narcan_Administration
+
+ROOT OverdoseVictim: 
+	overdose_on_and_opioid
+	(breathing_is_supressed | stops_breathing)
+	lose_consiousness
+	receives_Narcan
+	(recovers_in_hospital | dies);
+
+ROOT Bystander:
+	takes_notice
+
+	(call_911|have_another_bystander_call_911)
+		
+	(Carrying_Narcan | Not_Carrying_Narcan);
+		Carrying_Narcan: 
+				administer_Narcan_while_on_line;
+			Not_Carrying_Narcan:
+				follow_the_operators_instructions;
+					
+ROOT FirstResponder:
+	receives_911_call
+	responds_to_scene
+
+	(Narcan_was_administered|Narcan_was_not_administered);
+		Narcan_was_administered:
+			get_the_patient_to_hospital;
+		Narcan_was_not_administered: 
+			administer_Narcan
+			get_the_patient_to_hospital;
+
+COORDINATE
+	$a:(administer_Narcan_while_on_line | Narcan_was_administered) FROM Bystander,
+	$b:receives_Narcan FROM OverdoseVictim
+	DO ADD $a PRECEDES $b; OD;
+
+
+COORDINATE
+	$a:(call_911|have_another_bystander_call_911) FROM Bystander,
+	$b:receives_911_call FROM FirstResponder
+	DO ADD $a PRECEDES $b; OD;
+
+COORDINATE
+	$a:get_the_patient_to_hospital FROM FirstResponder,
+	$b:recovers_in_hospital FROM OverdoseVictim
+	DO ADD $a PRECEDES $b; OD;