Arrhythmias Understanding Cardiac Rhythm Disorders, Diagnosis, and Management Introduction The heart’s rhythm is vital for efficient blood circulation, and any disruption in its normal electrical impulses can result in arrhythmias—abnormal heart rhythms. These can range from benign to life-threatening and are classified […]
QTc Interval Clinical Relevance, Measurement, and Implications for Cardiac Health Introduction The QT interval on an electrocardiogram (ECG) represents the total time taken for ventricular depolarization and repolarization—the electrical processes that control heart contraction and recovery. Since the duration of the QT […]