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.
Plague (Black Death) facts. 1  Plague is an infectious disease caused by the bacteria known as Yersinia pestis. 2  Plague has a high fatality rate and has been described for centuries. 3  In the Middle Ages, plague was known as the Black Death and caused the death of 60% of the population of Europe. Transmission occurs via fleas that feed on infected animals, typically wild rodents. There are three forms of plague in humans: bubonic plague, septicemic plague, and pneumonic plague.