Cardiac arrest is a sudden stop in effective blood flow due to the failure of the heart to contract effectively. Symptoms include loss of consciousness and abnormal or absent breathing. Some people may have chest pain, shortness of breath, or nausea before this occurs.
Hayman Great Barrier Reef. Australasiaâs most exclusive private island resort â the five-star Hayman Great Barrier Reef, situated just offshore from Queensland, Australia â is poised to reopen next month following temporary closure for property restoration.
1 Kingman Reef is now administered and managed by the United States Fish and Wildlife Service, an agency of the United States Department of Interior. 2  First known as Dangerous Reef, Kingman Reef was discovered on June 14, 1798 by U.S. Captain Edmund Fanning.