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Class IIb indication for nicorandil therapy:
- chronic systolic HF + NYHA Class II - IV symptoms + stable angina pectoris refractory to treatment with one antianginal drug,
- chronic systolic HF + NYHA Class II - IV symptoms + stable angina pectoris refractory to treatment with two antianginal drugs,
- chronic systolic HF + NYHA Class II - IV symptoms + stable angina pectoris + poor tolerance of B-blockers.


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