ECG determining treatment
Name ECG_app
Chapter MINAP/Clinical features and investigations
Definition
The ECG appearances upon which a decision to offer reperfusion treatment including primary PCI, was based. This can include any 12 lead ECG performed in the pre- hospital setting. If ST elevation consistent with infarction is recorded on any ECG during the admission, regardless of treatment, the discharge diagnosis should be Myocardial infarction ( ST elevation )
Data Type Categorical
Data sources MINAP
Repeated No
Valid event date range 01/01/2003 - 08/06/2009
Agreed 01/12/2010 (Revision 9.1)
Category DefinitionNotes
0 No acute changes ECG is normal or unchanged from one recorded before this admission.
1 ST segment elevation Appearances considered typical of acute ST elevation myocardial infarction.
2 Left bundle branch block New LBBB. Whether or not LBBB is "new" causes practical difficulties. In order to confirm this it is necessary to have evidence that it not exist before the event, by comparing previous ECGs. Unless there is definite ST segment elevation in addition to LBBB, the admission diagnosis for a patient with LBBB of uncertain duration has to be Acute coronary syndrome.
3 ST segment depression Any degree of ST segment depression involving more than one lead without any ST elevation (except aVR)
4 T wave changes only Includes non Q wave infarction.
5 Other acute abnormality Other acute abnormality related to this acute event.
9 Unknown
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