EPIC BRIDGES EXAM PREP EXAM
QUESTIONS & VALID CORRECT
ANSWERS
Trigger - Correct Answer ✔✔ Serves as the integration point between the application
workflow and Bridges
-generally an action in Hyperspace, like clicking a button or closing an activity
-a single, clearly defined action that a user or process can take that results in an
interface message being created and sent
An interface message contains.... - Correct Answer ✔✔ Data about an event (like a
patient being admitted to the hospital)
MSH-11 and MSH-12 are... - Correct Answer ✔✔ the HL7 processing ID and version;
Epic checks these values on an incoming message and rejects the message if they do
not match the expected values
Segment Identifier - Correct Answer ✔✔ Three character code that identifies what kind
of data that segment contains
PID-5 - Correct Answer ✔✔ patient name
NTE segment - Correct Answer ✔✔ can follow many different segments
Z-segment - Correct Answer ✔✔ custom segment for a specific implementation
Is it necessary to send empty fields following the last valued field? - Correct Answer ✔✔
No
Within a field do you need to send all components? - Correct Answer ✔✔ Only as many
as are valued
Blank fields... - Correct Answer ✔✔ don't file anything
Delete character HL7 - Correct Answer ✔✔ double quotes " "--- tells the receiving
system to delete a piece of info it has
FHIR - Correct Answer ✔✔ specifies RESTful exchange method via HTTPs to access
data
,Other standards supported by Bridges - Correct Answer ✔✔ X12, FHIR, NCPDP,
DICOM, and Direct
Event (in context of outgoing message flow) - Correct Answer ✔✔ small set of values
with the necessary info to build the message: patient ID, patient contact, type of
message, and additional info
-contains directions for where the interface should pull the information it needs from the
database
Queue - Correct Answer ✔✔ storage location outside of Chronicles database structure
Event Queue is procesed by... - Correct Answer ✔✔ the Event Daemon
Daemon (Outgoing Message Flow) - Correct Answer ✔✔ process that runs in the
background without any direct user action
Event Daemon (Outgoing Message Flow) - Correct Answer ✔✔ pulls an event off the
Event Queue, uses the information in the event to build the message and finally deletes
the event from the event queue.
The event daemon puts the message it has built onto the data queue and adds an
instruction to the Control Queue
builds an HL7 message based on data pulled from Chronicles
Data Queue (Outgoing Message Flow) - Correct Answer ✔✔ contains the full text of the
message along with some additional metadata (i.e. timestamp) about message
processing
Control Queue (Outgoing Message Flow) - Correct Answer ✔✔ a to-do list and contains
very little data
-processed by the Communications Daemon
-maintains a list of messages waiting to be processed
Comm Deamon (Outgoing Message Flow) - Correct Answer ✔✔ reads an instruction
from the Control Queue and copies the appropriate message off the Data Queue
-sends the message out of Epic and waits for an ACK to be reutrned
-deletes instruction from the Control Queue and proceeds to the next instruction
-sends or receives acknowledgments over a TCP/IP connection
Comm Daemon (Incoming Message Flow) - Correct Answer ✔✔ -listens constantly for
messages coming into the system
, -validates MSH-11 and MSH-12 before accepting it, storing it in the data queue, and
adding instruction to the control queue
-sends or receives acknowledgments over a TCP/IP connection
Control Queue (Incoming Message Flow) - Correct Answer ✔✔ processed by the Filer
Daemon
Filer Daemon - Correct Answer ✔✔ pulls an instruction from the Control Queue,
retrieves the corresponding message from the Data Queue, and then attempts to file the
message.
Filing means that the Filer Daemon attempts to store the data in Chronicles.
If the filer daemon is successful, the data is added to the appropriate records in
Chronicles.
When there is a problem, and the data in the message cannot be filed, an interface
error message is logged
Translates HL7 data into something that can be stored to the database
When the filer daemon attempts to process a message, there are three things that can
happen - Correct Answer ✔✔ 1) it files the message into Chronicles, possibly with one
or more warning or notification errors
2) its unable to file the entire message because there is something critically wrong with
the message. This is indicated by a fatal or critical error
3) it's unable to file the message because part of the record to which the message
needs to file is locked
Resequencing - Correct Answer ✔✔ -a record is locked when a user or process is
updating it
-IF a filer daemon receives a message for a patient, but that patient's record is already
being updated with an active lock, then the Filer stores the instruction for that message
on another queue- the Holding Queue.
-the message remains on the Holding Queue until the lock is released, so that the Filer
Daemon can move onto the next message in the Control Queue for processing
The filer Daemon checks messages on the Holding Queue periodically to determine
whether messages on the Holding Queue are ready to file
If the Filer Daemon encounters a message on the Control Queue that needs the same
locks as a message already on the Holding Queue, that message is also added to the
QUESTIONS & VALID CORRECT
ANSWERS
Trigger - Correct Answer ✔✔ Serves as the integration point between the application
workflow and Bridges
-generally an action in Hyperspace, like clicking a button or closing an activity
-a single, clearly defined action that a user or process can take that results in an
interface message being created and sent
An interface message contains.... - Correct Answer ✔✔ Data about an event (like a
patient being admitted to the hospital)
MSH-11 and MSH-12 are... - Correct Answer ✔✔ the HL7 processing ID and version;
Epic checks these values on an incoming message and rejects the message if they do
not match the expected values
Segment Identifier - Correct Answer ✔✔ Three character code that identifies what kind
of data that segment contains
PID-5 - Correct Answer ✔✔ patient name
NTE segment - Correct Answer ✔✔ can follow many different segments
Z-segment - Correct Answer ✔✔ custom segment for a specific implementation
Is it necessary to send empty fields following the last valued field? - Correct Answer ✔✔
No
Within a field do you need to send all components? - Correct Answer ✔✔ Only as many
as are valued
Blank fields... - Correct Answer ✔✔ don't file anything
Delete character HL7 - Correct Answer ✔✔ double quotes " "--- tells the receiving
system to delete a piece of info it has
FHIR - Correct Answer ✔✔ specifies RESTful exchange method via HTTPs to access
data
,Other standards supported by Bridges - Correct Answer ✔✔ X12, FHIR, NCPDP,
DICOM, and Direct
Event (in context of outgoing message flow) - Correct Answer ✔✔ small set of values
with the necessary info to build the message: patient ID, patient contact, type of
message, and additional info
-contains directions for where the interface should pull the information it needs from the
database
Queue - Correct Answer ✔✔ storage location outside of Chronicles database structure
Event Queue is procesed by... - Correct Answer ✔✔ the Event Daemon
Daemon (Outgoing Message Flow) - Correct Answer ✔✔ process that runs in the
background without any direct user action
Event Daemon (Outgoing Message Flow) - Correct Answer ✔✔ pulls an event off the
Event Queue, uses the information in the event to build the message and finally deletes
the event from the event queue.
The event daemon puts the message it has built onto the data queue and adds an
instruction to the Control Queue
builds an HL7 message based on data pulled from Chronicles
Data Queue (Outgoing Message Flow) - Correct Answer ✔✔ contains the full text of the
message along with some additional metadata (i.e. timestamp) about message
processing
Control Queue (Outgoing Message Flow) - Correct Answer ✔✔ a to-do list and contains
very little data
-processed by the Communications Daemon
-maintains a list of messages waiting to be processed
Comm Deamon (Outgoing Message Flow) - Correct Answer ✔✔ reads an instruction
from the Control Queue and copies the appropriate message off the Data Queue
-sends the message out of Epic and waits for an ACK to be reutrned
-deletes instruction from the Control Queue and proceeds to the next instruction
-sends or receives acknowledgments over a TCP/IP connection
Comm Daemon (Incoming Message Flow) - Correct Answer ✔✔ -listens constantly for
messages coming into the system
, -validates MSH-11 and MSH-12 before accepting it, storing it in the data queue, and
adding instruction to the control queue
-sends or receives acknowledgments over a TCP/IP connection
Control Queue (Incoming Message Flow) - Correct Answer ✔✔ processed by the Filer
Daemon
Filer Daemon - Correct Answer ✔✔ pulls an instruction from the Control Queue,
retrieves the corresponding message from the Data Queue, and then attempts to file the
message.
Filing means that the Filer Daemon attempts to store the data in Chronicles.
If the filer daemon is successful, the data is added to the appropriate records in
Chronicles.
When there is a problem, and the data in the message cannot be filed, an interface
error message is logged
Translates HL7 data into something that can be stored to the database
When the filer daemon attempts to process a message, there are three things that can
happen - Correct Answer ✔✔ 1) it files the message into Chronicles, possibly with one
or more warning or notification errors
2) its unable to file the entire message because there is something critically wrong with
the message. This is indicated by a fatal or critical error
3) it's unable to file the message because part of the record to which the message
needs to file is locked
Resequencing - Correct Answer ✔✔ -a record is locked when a user or process is
updating it
-IF a filer daemon receives a message for a patient, but that patient's record is already
being updated with an active lock, then the Filer stores the instruction for that message
on another queue- the Holding Queue.
-the message remains on the Holding Queue until the lock is released, so that the Filer
Daemon can move onto the next message in the Control Queue for processing
The filer Daemon checks messages on the Holding Queue periodically to determine
whether messages on the Holding Queue are ready to file
If the Filer Daemon encounters a message on the Control Queue that needs the same
locks as a message already on the Holding Queue, that message is also added to the
