Buerger's test Buerger's test Buerger's test is used in an assessment of arterial sufficiency. The "vascular angle", which is also called "Buerger's angle", is the angle to which the leg has to be raised before it becomes pale, whilst lying down. In a limb with a normal circulation the toes and sole of the foot, stay pink, even when the limb is raised by 90 degrees. In an ischaemic leg, elevation to 15 degrees or 30 degrees for 30 to 60 seconds may cause pallor. (This part of the test checks for "elevation pallor".) A vascular angle of less than 20 degrees
Less than truckload shipping different people's shipments on a trailer and since each shipment is technically “less than a truckload” they would consider that to be LTL. There are also freight companies who do not specialize in truck loads, but rather, consolidate larger volume shipments from about 2 to 12 pallets (or about 4000 to 24000 pounds) and consider themselves LTL Carriers. Finally, the most commonly referenced LTL is shipped via “common” carriers who handle freight above what would normally ship via FedEx Ground, or UPS or U.S. Mail parcel services (about 150 pounds) to just under what would usually be considered a Truck