The Demarc Pre-Wire is not interfaced into the local access providers's side of the Demarcation Point and thus is not a demarc extension. Patch Cord Testing. A demarc extension by definition is a complete channel, which can include patch cords or cross connects.
Answer: Left Axis Deviation (LAD) refers to the pattern of electrical activation that occurs in the heart. LAD is an EKG-specific finding and not necessarily indicative of any specific cardiovascular condition. was recently found to have Left Axis Deviation (LAD) on my EKG. General responses to selected questions from Joel Braunstein, MD, of Johns Hopkins University and Joseph Toscano, MD.
This section discusses 4 medical conditions causing Left axis deviation of QRS complex on ECG. A simple discussion of these causes with additional information is below. The following medical conditions are some of the possible causes of Left axis deviation of QRS complex on ECG.