In many instances, a CT scan of the spine is performed immediately after a myelogram, while the contrast material is still in the spinal canal. This helps outline internal structures more clearly. A myelogram takes approximately 30 to 60 minutes. A CT scan adds about another hour to the examination.
How much does the statue at the Lincoln Memorial weigh? ChaCha Answer: The Lincoln Memorial weighs 38,000 tons or 76,000,000 pound an...
For purposes of calculating the weight of concrete piles, it shall be assumed that the pile weighs. 150 pounds per cubic foot. Thus a 14-inch square concrete pile 40 feet in length would weigh. 1.167 x 1.167 x 40 x 150 or 8,171 pounds.