缺血性中風是指血栓(也稱為血塊)阻塞或堵塞通往大腦的動脈。這種血流中斷可能導致嚴重的後果,甚至危及生命。了解缺血性中風的徵兆和症狀非常重要,以便及時就醫。

When a thrombus blocks a blood vessel leading to the brain, the affected area is deprived of oxygen and nutrients. This can result in the death of brain cells and the onset of a stroke. The longer the blockage persists, the more extensive the damage can be. Therefore, prompt medical intervention is crucial to minimize the impact of an ischemic stroke.
請按日期更新文章和影片。

Ecosystems provide essential services such as regulating air and water quality, pollination, and carbon sequestration. They include forests, wetlands, oceans, and grasslands that support an array of plant and animal species. These diverse ecosystems are not only beautiful and rich in biodiversity, but they also contribute significantly to the country's economy through tourism, agriculture, and other industries.

The finance and investments sector in the United States is a critical component of the country's economy. As one of the largest and most developed financial markets in the world, the United States offers a wide range of opportunities for individuals and businesses to grow their wealth and invest their money wisely.

Science and technology are two closely intertwined fields that have revolutionized the world we live in today. They have brought about countless advancements and innovations that have improved our quality of life and made the impossible, possible. From advancements in medicine to the development of advanced electronic devices, science and technology play a vital role in shaping our society.

The United States offers a variety of programs aimed at providing support and assistance to its citizens. These entitlement programs, as they are often referred to, play a crucial role in ensuring the well-being and welfare of individuals and families throughout the nation. Let's explore some of these programs and their significance.