GW27-e0676 Application of Holter ECG for screening sleep disordered breathing in coronary slow flow phenomenon

To study the correlation between sleep disordered breathing (SDB) and coronary slow flow phenomenon (CSFP). Holter ECG is, to some extent, valuable for screening SDB in CSFP. Select patients who undergwent coronary angiography for being suspected of coronary heart disease during the period from