As many American cities get hotter, health systems face off against heatstroke

by Drew Hawkins KFF Health News

AS the hour crept past three in the afternoon, New Orleans’ French Quarter was devoid of tourists and locals alike. The heat index was over 105 degrees.

New Orleans Emergency Medical Services has been busy this summer, responding to heatrelated emergency calls and transporting patients to nearby hospitals.

At the city’s main ambulance depot, the concrete parking lot seemed to magnify the sweltering heat, circulating the air like a convection oven. Capt. Janick Lewis and Lt. Titus Carriere demonstrated there how they can load a stretcher into an ambulance using an automated loading system. Lewis wiped sweat from his brow as the loading arm whirred and hummed, raising the stretcher into the ambulance — “unit,” in official terminology.

keeping the truck cool.” crew races them to a nearby hospital, Carriere said. At University Medical Center, New Orleans’ largest hospital, doctors and nurses will continue efforts to quickly lower the person’s body temperature and replace fluids by IV, if necessary.

Like much of the country, New Orleans has been embroiled in a heat wave for weeks. As a result, New Orleans EMS is responding to more calls for heat-related conditions than ever before, Lewis said. During the third week of July, the city’s public EMS crews responded to 29 heat-related calls — more than triple what they handled during the same period last year.

Scientists say dangerous heat levels — and the stress they put on human bodies and medical systems — will likely keep increasing. Health systems nationwide face serious funding and staffing challenges that could make it harder to keep up.

“When the patient ends up at the hospital, we’re going to continue that cooling process,” said Jeffrey Elder, medical director for emergency management at UMC. “We’re going to put them in an ice water bath,” and, he added, “we may use some misting fans and some cold fluids to get their body temperature down to a reasonable temperature while we’re supporting all the other bodily functions.”

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But mechanical assistance isn’t the best thing about the upgraded vehicles. “The nicest thing about being assigned a brand-new unit is it has a brand-new air conditioning system,” Lewis said. The new AC is much more than a luxury for the hard-working crews. They need the extra cooling power to help save lives.

“The No. 1 thing you do take care of somebody is get them out of the heat, get them somewhere cool,” Lewis said. “So the No. 1 thing we spend our time worrying about in the summertime is

New Orleans EMS is no exception. In April, it reported operating with only 60% of its needed staff. The city’s chief of EMS has called for increased funding for higher wages to attract more workers. Local private ambulance services like Acadian Ambulance Services pay staffers between $50 and $70 per hour.

The city’s EMS department can’t compete. Lewis said they’re making do with the resources they have and prioritizing one-time expenses like new ambulances to help them meet the challenges they’re facing.

“We’re going to provide the care everybody needs, regardless of how hot it gets,” Lewis said.

“We’d love to have all the help in the world, but we’re getting the job done with what we have right now.”

When a human being is exposed to high levels of heat for too long, their core body temperature rises.

Once core body temperature exceeds 100 degrees Fahrenheit, hyperthermia can develop. If not quickly addressed, that can prompt an escalating cascade of health problems.

The first stage is heat exhaustion, Carriere explained: “That means you’re hot, you may have an elevated temp, but you also have what’s called diaphoresis, which means your body is sweating, is still trying to compensate and cool yourself off.” You’ll also likely have other symptoms like weakness, dizziness, or a headache.

Carriere said that if a person can quickly get out of the heat and into an air-conditioned place, generally they’ll recover from heat exhaustion on their own. Otherwise, their core temperature will continue to rise.

As internal body temperature approaches 104 degrees, people start to suffer from heatstroke.

“Once you move to heatstroke, your body stops compensating,” Carriere said. “You stop sweating. You’re hot. You’re dry. And your organs are basically frying themselves from the inside out.”

When a person stops sweating, it becomes even harder for the body to cool itself down. During heatstroke, people may experience other severe symptoms like an altered state of mind, confusion, and a rapid, erratic pulse. They may even lose consciousness.

Without medical intervention, heatstroke can be deadly. EMS responders start treatment immediately after they arrive on the scene. “We’ll get them on a gurney, get them into the unit, start removing their clothing, and put ice packs wherever applicable to try to cool them down,” said Carriere.

Once a heatstroke patient is loaded into the ambulance, the

Getting a patient’s core temperature down as quickly as possible is what will ultimately save their life. One way doctors can speed that along is by burying a patient in ice. In some parts of the country, doctors have placed patients inside body bags prepacked with pounds of ice. Body bags are especially useful in these cases because they are waterproof and designed to closely fit the human form.

UMC’s emergency room doesn’t use body bags, but during the summer staffers keep bags of ice ready at all times.

“On the stretcher, we’ll use some of the sheets as kind of a barrier,” Elder said. “And while they’re on the stretcher, we’ll just put the ice on them right then and there.” Hospital staffers will continue to work to cool a patient down until their temperature gets below 100.

Elder said that while it always gets hot in New Orleans during the summer, his emergency room has been treating more heat-related illnesses in 2023 than ever before.

A few patients have died from the heat. UMC has been struggling with staffing challenges since the beginning of the pandemic, just like many other hospital systems elsewhere. But to prepare for an influx of patients with heat-related illnesses, UMC has prioritized staffing of the emergency department, Elder said.

Across the country, meteorological events like heat waves and heat domes will become more frequent and intense in the future, according to the Centers for Disease Control and Prevention.

“Extreme summer heat is increasing in the United States,” said Claudia Brown, a health scientist with the CDC’s Climate and Health Program. “And climate projections are indicating that extreme heat events will be more frequent and intense in the coming decades.”

Health infrastructure will be challenged to keep up to treat patients suffering from extreme heat exposure. In New Orleans, both first responders and doctors say they expect to see more patients with heat-related illnesses.

“We haven’t even gotten to the hottest part yet, which is typically August to September,” said Carriere. “So I’m expecting it to get pretty bad.”

This article is from a partnership that includes Gulf States Newsroom, NPR, and KFF Health News.

KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the core operating programs at KFF—an independent source of health policy research, polling, and journalism.

Interlinked: Celebrating unity...

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The Filipino-American Chamber of Commerce of Greater Los Angeles (FACCGLA) is a nonprofit organization that aims to promote and develop Filipino-American businesses in the Greater Los Angeles area. FACCGLA serves as a platform for networking, collaboration, and advocacy, supporting the growth and success of its members.