avalanche

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Nuclear medicine Avalanche ionization
Wilderness medicine A natural disaster in which massive unsorted mixtures of snow/ice/rock/mud cascade down a steep incline. Powder snow avalanches can exceed speeds of 300 km/h, and masses of 10,000,000 tonnes
Statistics Europe, 150 deaths/year; USA/Canada, 15/year; most are recreational—e.g., snowmobilers, mountaineers, back-country skiers
Avalanche risks Decreased snow stability; slope angles > 35º
Emergency action Do not wait; even in well-equipped ski areas, helicopters take 45 minute to arrive
Survival 15 minutes—85%; 30 minutes—40%; 1 hour—20%; 2 hours—0%
Cause of death Crush injury, hypothermia, suffocation
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

avalanche

Geomedicine A natural disaster in which a massive block of snow cascades down a steep incline Statistics In North America, ± 15 die thereof/yr; in Europe, 150/yr; most are recreational deaths–eg, snowmobilers, mountaineers, backcountry skiers Avalanche risks ↓ Snow stability; slope angles > 35º COD Crush injury, asphyxia. See Geological disaster.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Recovery efforts are on hold because of dangerous conditions and additional avalanches at the scene.
They also demanded of the government to put heavy machinery on the road to keep it opened in case of snowfall and avalanches.
Meanwhile, (https://nbcmontana.com/news/local/flathead-avalanche-center-issues-first-warning-this-season) Flathead Avalanche Center in Montana also issued its first warning of the season due to potential for large avalanches in the area.
On Sunday two Italian skiers, including one in the Valle d'Aosta region, were killed by avalanches.
The search for the fourth man had to be broken off Sunday due to the risk of more avalanches. "It's questionable whether it's responsible to have the search due to the heightened risk of avalanches," said one police spokesman.
PARIS (AP) -- French police say two ski patrollers have been killed when the devices they use to trigger avalanches exploded as they were securing the slopes at a ski resort in the French Alps.
The risk of avalanches in the mountains persists.The highest chalet in the High Tatras, Chata pod Rysmi, was hit by an avalanche on January 4.
The Provincial Disaster Management Authority (PDMA) K-P had warned that aftershocks of Wednesday's earthquake may cause risk of avalanches in Chitral district.
However, so much snow has built up on the slopes surrounding Davos that avalanches remain a danger.
Avalanches and landslides are common at the Siachen Glacier during the winter and temperatures there can drop as low as minus 60 degrees Celsius.
Avalanches and landslides are common at the Siachen Glacier during the winter and temperatures there can drop as low as minus 60 degrees Celsius.An estimated 8,000 troops have died on the glacier since 1984, almost all of them from avalanches, landslides, frostbite, altitude sickness or heart failure rather than combat.