Tear gland: The gland that makes tears. An abnormality of the tear glands can impair the production of the tears and lead to dry eyes.Also called a lacrimal gland.ear gland: The gland that makes tears. An abnormality of the tear glands can impair the production of the tears and lead to dry eyes.
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. In fact, LAD is the most common EKG abnormality observed in adults, occurring in almost 10% of the adult population.
Some prominent causes of left bundle branch block include: 1  Myocardial infarction. 2  CAD (coronary artery disease) 3  Aortic stenosis. 4  Cardiomyopathy. 5  Lyme disease. 6  Aortic root dilatation and aortic root reconstruction.