From Hawaii Police Department:
An autopsy has determined that 50-year-old Paul S. Tsang of San Francisco died from cardiac arrest not from drowning.
Tsang was snorkeling in waters in South Kohala on June 13, when he was found unresponsive.
He was taken to North Hawai?i Community Hospital, where he was pronounced dead.
Original story from June 13, 2012:
Big Island police are investigating the death of a 50-year-old San Francisco man who died Wednesday (June 13) along the Kohala Coast.
Paul S. Tsang was snorkeling in waters off Mauna Lani Beach Club at about 12:35 p.m. when an unidentified person on shore noticed he was floating. An Ogden, Utah, man using a paddle board went to check on Tsang and found him unresponsive.
Tsang was brought to shore, where a nurse from Tucson, Arizona, and Hawai’i lifeguard personnel performed cardio-pulmonary resuscitation until Hawai’i Fire Department personnel arrived.
Tsang was taken to North Hawai’i Community Hospital, where he was pronounced dead at 1:39 p.m.
Police are investigating the matter as a coroner’s inquest and have ordered an autopsy to determine the exact cause of death.