Logistically, some sort of air traffic control system is going to need to be in place if the future is really going to include drone package delivery, medical drones , internet-delivery drones , and, of course, massive police surveillance . The skies are going to get too crowded and it’s too easy for bad actors to use drones for nefarious purposes . Even when people have no ill intent, the remote-controlled devices can cause chaos. Earlier this week , two planes fighting wildfires in Colorado had to prematurely drop their flame-retardant payloads because of drones flying in the area—a screwup that cost the US Forest Service somewhere between $16,000 and $20,000.
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HAS-BLED is a risk score designed to predict the one year risk for major bleeding in AF patients and may be used to aid in clinical decision making regarding anticoagulation therapy. HAS-BLED is an acronym for the bleeding risk factors that are assessed: Hypertension (uncontrolled, > 160 mm Hg systolic), Abnormal renal/liver function, Stroke, Bleeding history or predisposition, Labile INR, Elderly (age >65 years), and Drugs/alcohol concomitantly (antiplatelet agents, non-steroidal anti-inflammatory drugs). A high HAS-BLED score is associated with a high risk of hemorrhage. When used in conjunction with a stroke risk score, HAS-BLED may be able to help one weigh the stroke risk and bleeding risk to determine the best course of action for anticoagulation therapy. It is important to note however, that CHADS2 and CHADS2-VASc stroke risk scores contain some of the same risk factors as HAS-BLED. The results of the HAS-BLED score should be interpreted with this in mind.