In patients who are unable to complete a high level of exercise because of physical limitations, stress to the heart is provided by pharmaceutical or chemical stimulation of the heart. Stress Echo is made up of three parts: A resting Echo study, Stress test, and a repeat Echo while the heart is still beating fast. Exercise stress testing usually employs the Bruce or a similar protocol, as described in the Regular Stress Test section.
Eiffel Tower history : the beginning. The most popular tourist place in Paris has stretched to the Parisian skies for 127 years. Although now symbolic of France, it wasnât meant to last. Without a doubt, the turning point in the Eiffel Tower history took place at the 1889 Universal Exposition.
Read on and enjoy a range of trivia and interesting information about the Eiffel Tower. 1  Located on the Champ de Mars in Paris, France, the Eiffel Tower is one of the most well known structures in the world. 2  The Eiffel Tower was originally built as the entrance arch for the World's Fair in 1889.