Short PR Normal QRS Complex Syndrome, also known as Preexcitation Syndrome, refers to a group of cardiac conditions characterized by an abnormal electrical pathway in the heart. This pathway allows electrical impulses to bypass the normal route, resulting in a shortened PR interval and a normal QRS complex on an electrocardiogram (ECG). Synonyms for this condition include Wolff-Parkinson-White Syndrome (WPW Syndrome), Lown-Ganong-Levine Syndrome (LGL Syndrome), and Mahaim-type Preexcitation Syndrome. These terms are used interchangeably to describe the same underlying abnormality. It is important to identify and manage this syndrome to prevent potential complications such as tachyarrhythmias and sudden cardiac death.