Because of this effect, averages low temperature vary from 9.5 Â°C (49.1 Â°F) during wintertime to 23 Â°C (73.4 Â°F) to summertime and averages high temperatures vary from 17 Â°C (62.6 Â°F) during wintertime to 32 Â°C (89.6 Â°F) in summertime.hus, in the central and the southern parts, daytime temperatures are hotter especially in summers where averages high temperatures easily soar over 40 Â°C (104 Â°F) in cities and places such as Aswan, Luxor, Asyut or Sohag which are located in the deserts of Egypt.
For people with blood clots in larger arteries, tPA. often does not dissolve them completely. In this. case, a procedure , called mechanical thrombectomy, should be done within six hours of the first symptoms. of stroke. In most cases this is done only after the. The majority of strokes occur when blood. vessels to the brain become narrowed or.
Ischemic Stroke and the Elderly. An ischemic stroke occurs when an artery supplying the brain with blood becomes blocked, suddenly decreasing or stopping blood flow and ultimately causing a brain infarction. This type of stroke accounts for approximately 80 percent of all strokes.