"dry drowning". The level of carbon dioxide in the blood after hyperventilation may then be insufficient to trigger the breathing reflex later in the dive and a blackout may occur without warning and before the diver feels any urgent need to breathe. Archived from the original on External links edit. 61 People who drown are more likely to be male, young, or adolescent. "Global and regional mortality from 235 causes of death for 20 age groups in 19: a systematic analysis for the Global Burden of Disease Study 2010". Lindholm,.; Pollock,. And 9th tallest in the world 29 Tallest habitable building outside downtown Indianapolis.011 AT T Building 321 (98) 22 1932 When completed in the 1930s, the building was only seven floors high; additions in the 1940s. Non-fatal drownings have been estimated as two to four times more frequent than fatal drownings. 32 People who drown in fresh water may experience worse hypoxemia early in their treatment, however, this initial difference is short-lived and the management of both fresh water and salt water drowning is essentially the same. 17 Shallow water blackout caused by hyperventilation prior to swimming or diving. 36 This is because cold water can have other lethal effects on the body, so hypothermia is not usually a reason for drowning or the clinical cause of death for those who drown in cold water. 43 Prevention edit Water safety edit Main article: Water safety Most drowning is preventable. 22 Among adolescents and adults, alcohol use is involved in almost a quarter of emergency department visits for drowning. Forensics edit Forensic diagnosis of drowning is considered one of the most difficult in forensic medicine. Archived (PDF) from the original on 11 February 2017. Rank Name Image Height ft (m) Floors Year Notes.01 Salesforce Tower 811 (247).02 OneAmerica Tower 533 (162) 38 1982 Tallest building completed in Indianapolis during the 1980s Formerly known as AUL Tower 3.03 Regions Tower 504. Retrieved b c d Ferri, Fred. 41 While awaiting rescue, swimming or treading water should be limited to conserve energy and the person should attempt to remove as much of the body from the water as possible; attaching oneself to a buoyant object can improve the chance. 44 Cardiac arrest in drowning usually presents as asystole or pulseless electrical activity. For other uses, see, drowning (disambiguation) and, drown (disambiguation). Males: Nearly 80 of people who die from drowning are male. Archived from the original on Retrieved Lane, Jordan.