Introduction Atrial fibrillation (AF), with a prevalence of 1–2%, is the most common cardiac arrhythmia. AF is associated with a fivefold increased risk of cardioembolic events; approximately 20% of ...
Background Coronary microvascular dysfunction (CMD) is associated with a poor prognosis but is difficult to diagnose non-invasively. In a recent paper, ST-segment depression on exercise-ECG was found ...
CBSE 10th Sample Papers 2025-26: CBSE Class 10 Sample Papers continue to be one of the most important resources for students preparing for the CBSE Board Exams 2026. These papers reflect the latest ...