What is a cardiac stress test using medicine? Medicine will be used to stress your heart instead of exercise. This medicine will increase your heart rate and/or open up (dilate) the heart arteries. This test may show evidence of blockages in the heart arteries when the heart is stressed. You can be scheduled for one of the following:
The Black Death or Black Plague was one of the most devastating pandemics in human history, resulting in the deaths of an estimated 75 to 200 million people and peaking in Europe in the years 1346â53.
[ Images: 14th-Century Black Death Graves ]. The plague years. The Black Death, caused by the Yersinia pestis bacterium, first exploded in Europe between 1347 and 1351. The estimated number of deaths ranges from 75 million to 200 million, or between 30 percent and 50 percent of Europe's population.