NFIRS 5.0 Element: ‘Initial Arrest Rhythm’
Definition : The patient’s initial heart arrest rhythm as measured by the fire department’s EMS personnel with an EKG monitor.
Purpose : This element tracks trends and patterns in the types and the survival of cardiac patients.

Entry : Check or mark the appropriate box.
Element Specification
Specification | Value |
---|---|
Requirement | Optional |
Element Type | Coded Field – The coded field relating to an entry in the code table. Most coded fields allow for Plus+ One codes. For these fields the expected length of the coded entry is depicted as (National length OR Plus+ One length). Only fields with this notation in the expected length column allow for Plus+ One definitions. If the user has not provided information, an empty field should be transmitted. |
INITIAL ARREST RHYTHM CODES
Here are the NFIRS codes for the ‘Initial Arrest Rhythm’ element
1 | V-Fib/V-Tach. |
0 | Initial arrest rhythm, other. |
U | Undetermined. |
Transactions containing ‘Initial Arrest Rhythm’
The value of this element is captured by the following transaction :
Need more NFIRS help?
Here are some other useful ressources to learn more about NFIRS.
NFIRS Codes Cheat Sheet – NFIRS Coding – NFIRS Examples – FDIDs – POCs – NFIRS Transactions – NFIRS Modules – NFIRS Elements – NFIRS Rules – NFIRS Reference – NFIRS Compliant ?
You can also read this NFIRS 5.0 Complete Reference Guide, and NFIRS 5.0 Design Documentation in order to have a deeper understanding of NFIRS 5.0. Here are also NFIRS 5.0 Forms ready for you to download and use.
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Last Updated on May 2, 2023