RESEARCH ARTICLE

1. Angiography-derived radial wall strain predicts coronary lesion progression in non-culprit intermediate stenosis
2. Association of serum complement C1q with cardiovascular outcomes among patients with acute coronary syndrome undergoing percutaneous coronary intervention
3. Development and validation of a nomogram predicting oneyear mortality in patients undergoing percutaneous coronary intervention
4. Electrocardiogram-based artificial intelligence for the diagnosis of heart failure: a systematic review and meta-analysis
5. Mild haemoglobin drop and clinical outcomes in acute coronary syndrome patients: finding from the BleeMACS registry

PERSPECTIVE

1. Aortic valve leaflet disruption techniques in transcatheter aortic valve replacement

LETTER TO THE EDITOR

1. Fragmented QRS complex with an additional R-wave attenuated by short RR interval in a patient with acute pulmonary embolism and cardiogenic shock
2. Point-of-care ultrasonography in geriatric medicine: usefulness for approaching infectious endocarditis diagnosis
3. Unplanned J-valve implantation during open heart surgery for severe valvular annulus and ventricle calcification