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.
Background. 1  In left posterior fascicular block (aka left posterior hemiblock), impulses are conducted to the left ventricle via the left anterior fascicle, which inserts into the upper, lateral wall of the left ventricle along its endocardial surface.eft Posterior Fascicular Block. In left posterior fascicular block (aka left posterior hemiblock), impulses are conducted to the left ventricle via the left anterior fascicle, which inserts into the upper, lateral wall of the left ventricle along its endocardial surface.