Natural hazards. Most earthquakes and volcanic eruptions do not strike randomly but occur in specific areas, such as along plate boundaries. One such area is the circum-Pacific Ring of Fire, where the Pacific Plate meets many surrounding plates. The Ring of Fire is the most seismically and volcanically active zone in the world.
For routine hip surgery, we use the blood-thinning medicine for about 4 weeks after surgery. In addition to a blood thinner, we also use early mobility, spinal anesthesia, leg exercises, foot pumps, and efficient surgery as adjunctive measures to minimize the risk of blood clots.
People exhibit decreased reaction time after hip replacement surgery, making it unsafe to drive in the immediate post-operative period. Most doctors recommend that patients wait about six weeks before they resume driving, but many don't want to wait that long.