Phoenix Fire Capt. John Prato demonstrates a new protocol that the fire department in America’s hottest big city is adopting as the West braces for the first heat wave of the summer season, Monday, June 3, 2024, in Phoenix. The cold water immersion therapy already used by hospitals in the area will also now be used by Phoenix fire and paramedics personnel on every patient they encounter this season with signs of heat stroke.
- Anita Snow - staff, ASSOCIATED PRESS
Phoenix Fire Capt. John Prato demonstrates a new protocol that the fire department in America’s hottest big city is adopting as the West braces for the first heat wave of the summer season, Monday, June 3, 2024, in Phoenix. The cold water immersion therapy already used by hospitals in the area will also now be used by Phoenix fire and paramedics personnel on every patient they encounter this season with signs of heat stroke.
- Anita Snow - staff, ASSOCIATED PRESS
Dr. Paul Pugsley, medical director of the emergency department at Valleywise Health Medical Center in Phoenix, explains, Monday, June 3, 2024, how his staff will be working on a new protocol being adopted by the Phoenix Fire Department across its jurisdiction this summer in hopes of preventing some deaths from heat stroke. Known as cold water immersion therapy, the technique involves placing a patient with heat stroke inside a bag of ice slurry to bring down their body temperature long before the person arrives at a hospital emergency room.
- Anita Snow - staff, ASSOCIATED PRESS
Hector Hernandez flings cups of water on Sharon, 9, and Cristian Roman, 8, at the public fountain along Prince Memorial Greenway in Santa Rosa, Calif., Tuesday, June 4, 2024 as a heat wave begins to bake the North Coast. The family of children an their parents cooled off in the fountain due to a lack of air conditioning at their homes.
- Kent Porter - member, ASSOCIATED PRESS
People walk through cooling misters along the Las Vegas Strip, Tuesday, June 4, 2024, in Las Vegas. Parts of California, Nevada and Arizona are expected to bake this week as the first heat wave of the season arrives with triple-digit temperatures.
- John Locher - staff, ASSOCIATED PRESS
A person cools off in a mister along the Las Vegas Strip, Tuesday, June 4, 2024, in Las Vegas. Parts of California, Nevada and Arizona are expected to bake this week as the first heat wave of the season arrives with triple-digit temperatures.
- John Locher - staff, ASSOCIATED PRESS
AP
The season’s first heat wave is already baking the Southwestern U.S. with triple-digit temperatures as Phoenix firefighters employ new tactics in hopes of saving more lives
Phoenix Fire Capt. John Prato demonstrates a new protocol that the fire department in America’s hottest big city is adopting as the West braces for the first heat wave of the summer season, Monday, June 3, 2024, in Phoenix. The cold water immersion therapy already used by hospitals in the area will also now be used by Phoenix fire and paramedics personnel on every patient they encounter this season with signs of heat stroke.
- Anita Snow - staff, ASSOCIATED PRESS
Phoenix Fire Capt. John Prato demonstrates a new protocol that the fire department in America’s hottest big city is adopting as the West braces for the first heat wave of the summer season, Monday, June 3, 2024, in Phoenix. The cold water immersion therapy already used by hospitals in the area will also now be used by Phoenix fire and paramedics personnel on every patient they encounter this season with signs of heat stroke.
- Anita Snow - staff, ASSOCIATED PRESS
Dr. Paul Pugsley, medical director of the emergency department at Valleywise Health Medical Center in Phoenix, explains, Monday, June 3, 2024, how his staff will be working on a new protocol being adopted by the Phoenix Fire Department across its jurisdiction this summer in hopes of preventing some deaths from heat stroke. Known as cold water immersion therapy, the technique involves placing a patient with heat stroke inside a bag of ice slurry to bring down their body temperature long before the person arrives at a hospital emergency room.
- Anita Snow - staff, ASSOCIATED PRESS
Hector Hernandez flings cups of water on Sharon, 9, and Cristian Roman, 8, at the public fountain along Prince Memorial Greenway in Santa Rosa, Calif., Tuesday, June 4, 2024 as a heat wave begins to bake the North Coast. The family of children an their parents cooled off in the fountain due to a lack of air conditioning at their homes.
- Kent Porter - member, ASSOCIATED PRESS
People walk through cooling misters along the Las Vegas Strip, Tuesday, June 4, 2024, in Las Vegas. Parts of California, Nevada and Arizona are expected to bake this week as the first heat wave of the season arrives with triple-digit temperatures.
- John Locher - staff, ASSOCIATED PRESS
A person cools off in a mister along the Las Vegas Strip, Tuesday, June 4, 2024, in Las Vegas. Parts of California, Nevada and Arizona are expected to bake this week as the first heat wave of the season arrives with triple-digit temperatures.
- John Locher - staff, ASSOCIATED PRESS
PHOENIX (AP) — The season's first heat wave is already baking the Southwest with triple-digit temperatures as firefighters in Phoenix — America's hottest big city — employ new tactics in hopes of saving more lives in a county that saw 645 heat-related deaths last year.
Starting this season, the Phoenix Fire Department is immersing heatstroke victims in ice on the way to area hospitals. The medical technique, known as cold water immersion, is familiar to marathon runners and military service members and has also recently been adopted by Phoenix hospitals as a go-to protocol, said Fire Capt. John Prato.
Prato demonstrated the method earlier this week outside the emergency department of Valleywise Health Medical Center in Phoenix, packing ice cubes inside an impermeable blue bag around a medical dummy representing a patient. He said the technique could dramatically lower body temperature in minutes.
“Just last week we had a critical patient that we were able to bring back before we walked through the emergency room doors,” Prato said. “That's our goal — to improve patient survivability.”
The heatstroke treatment has made ice and human-sized immersion bags standard equipment on all Phoenix fire department emergency vehicles. It is among measures the city adopted this year as temperatures and their human toll soar ever higher. Phoenix for the first time is also keeping two cooling stations open overnight this season.
Emergency responders in much of an area stretching from southeast California to central Arizona are preparing for what the National Weather Service said would be “easily their hottest” weather since last September.
Excessive heat warnings were issued for Wednesday morning through Friday evening for parts of southern Nevada and Arizona, with highs expected to top 110 degrees Fahrenheit (43.3 Celsius) in Las Vegas and Phoenix. The unseasonably hot weather was expected to spread northward and make its way into parts of the Pacific Northwest by the weekend.
Officials in Maricopa County were stunned earlier this year when final numbers showed 645 heat-related deaths in Arizona's largest county, a majority of them in Phoenix. The most brutal period was a heat wave with 31 subsequent days of temperatures of 110 degrees Fahrenheit (43.4 Celsius) or higher, which claimed more than 400 lives.
“We’ve been seeing a severe uptick in the past three years in cases of severe heat illness,” said Dr. Paul Pugsley, medical director of emergency medicine with Valleywise Health. Of those, about 40% do not survive.
Cooling down patients long before they get to the emergency department could change the equation, he said.
The technique “is not very widely spread in non-military hospitals in the U.S., nor in the prehospital setting among fire departments or first responders,” Pugsley said. He said part of that may be a longstanding perception that the technique's use for all cases of heatstroke by first responders or even hospitals was impractical or impossible.
Pugsley said he was aware of limited use of the technique in some places in California, including Stanford Medical Center in Palo Alto and Community Regional Medical Center in Fresno, and by the San Antonio Fire Department in Texas.
Banner University Medical Center in Phoenix embraced the protocol last summer, said Dr. Aneesh Narang, assistant medical director of emergency medicine there.
“This cold water immersion therapy is really the standard of care to treat heatstroke patients,” he said.
Copyright 2024 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without permission.
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