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.
Great Barrier Reef (UNESCO/TBS). The Great Barrier Reef is a site of remarkable variety and beauty on the north-east coast of Australia.It contains the worldâs largest collection of coral reefs, with 400 types of coral, 1,500 species of fish and 4,000 types of mollusc.reat Barrier Reef (UNESCO/TBS). The Great Barrier Reef is a site of remarkable variety and beauty on the north-east coast of Australia.