Ischaemia tests (primary care)
Name ischaemia_tests
Chapter Circulatory disease/Stable angina
results of tests of ischaemia (resting ECG (ECG_ST, ECG_T), exercise ECG

(eECG), stress echo (stress_echo) and radioisotope scan (radio_scan)
Data Type Categorical
Data sources GPRD
Dictionaries Read
Repeated Yes
Valid event date range 01/01/1900 - 25/03/2010
Agreed 02.03.2011 (Revision 1)
Category Definition
0 Test not done
1 Results normal
2 Results potentially abnormal
3 Results abnormal
4 Results not recorded
IF resting_ECG =2 or stress_echo or radio_scan not equal to 0 and

eventdate within 6 months, THEN ischaemia_tests = relevant category
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Codelist authors
Creation date
Category (code) Read code Read term CPRD Medcode
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