Core Viewpoint - The article highlights the increasing prevalence of heat stroke, particularly among low-income laborers, due to extreme heat conditions exacerbated by climate change. It emphasizes the need for awareness and preventive measures to protect vulnerable workers from this life-threatening condition [10][73]. Group 1: Heat Stroke Cases - The article recounts several cases of individuals suffering from heat stroke, including a delivery worker and a steelworker, illustrating the severe health risks associated with high temperatures [5][6][7]. - Heat stroke is classified as a severe form of heat illness, characterized by a core body temperature exceeding 40 degrees Celsius, leading to multi-organ dysfunction and a high mortality rate [7][14]. - The article notes that many workers are unaware of the risks of heat stroke and often continue to work in extreme conditions, resulting in tragic outcomes [10][45]. Group 2: Vulnerable Populations - The article identifies low-income groups, such as construction workers and farmers, as the most affected by heat-related illnesses, highlighting their lack of resources and awareness [10][45]. - It discusses the compounding vulnerabilities of older workers and those with pre-existing health conditions, which increase their risk of severe heat-related illnesses [45][46]. - The narrative includes personal accounts of workers who, despite experiencing severe symptoms, feel compelled to return to work due to financial pressures [34][42]. Group 3: Preventive Measures and Awareness - The article stresses that heat stroke is preventable through proper awareness and measures, such as avoiding high-temperature environments and ensuring adequate hydration [73][74]. - It calls for better education and community support to help workers recognize the signs of heat-related illnesses and take appropriate action [74][76]. - The article also mentions the need for improved working conditions, such as shorter hours and better ventilation, to protect workers from extreme heat [69][71].

Group 1 - Heat stroke is the most dangerous type of heat illness, with a mortality rate ranging from 30% to 70% [1] - High humidity weather is more likely to cause heat stroke compared to dry heat, especially when average temperatures exceed 33°C [1] - Symptoms of heat stroke include dizziness, fatigue, and body temperature exceeding 38°C [1] Group 2 - Proper management of temperature transitions is crucial to prevent heat-related illnesses, such as avoiding sudden shifts from hot outdoor conditions to cold air-conditioned environments [3] - It is recommended to maintain an indoor-outdoor temperature difference of no more than 7°C, with 26°C being an ideal indoor temperature [5] - Key steps for emergency treatment of heat stroke include moving to a cooler environment, rapid cooling, and replenishing electrolytes [5] Group 3 - Common misconceptions about heat stroke treatment include the belief that pinching the person can revive them, which is ineffective and delays proper care [7] - Drinking ice water or taking cold showers can be harmful as it may cause blood vessels to constrict, leading to increased blood pressure [10] - Simply drinking plain water is insufficient for rehydration after heat stroke, as it does not replace lost electrolytes [12] - Using antipyretics to reduce fever is ineffective for heat stroke, as it masks symptoms and delays necessary treatment [15]

Core Viewpoint - The article emphasizes the risks of "indoor heatstroke" in high temperature and humidity conditions, particularly when indoor ventilation is poor, and provides guidelines for prevention and emergency response [1][3][4]. Group 1: Health Risks - High indoor temperatures (above 32°C) and humidity (above 60%) can lead to indoor heatstroke, especially when sweating is ineffective in cooling the body [3][4]. - Vulnerable populations, such as the elderly and infants, are at greater risk due to their limited ability to regulate body temperature [4][6]. Group 2: Prevention Measures - It is crucial to monitor indoor temperature and humidity using devices like hygrometers, especially in homes with vulnerable individuals [7]. - Recommendations include using air conditioning set between 26-28°C, ensuring proper ventilation during cooler times of the day, and avoiding direct cold air exposure [9]. Group 3: Emergency Response - In cases of heatstroke, immediate actions should include moving the individual to a cooler environment, rapid cooling, hydration, and seeking medical attention if severe symptoms occur [11][17]. - Severe heatstroke can lead to critical conditions with a high mortality rate, necessitating prompt intervention [13].

Core Viewpoint - The article emphasizes the importance of awareness regarding heatstroke, particularly heat-related illnesses, which can occur even in indoor environments during high temperatures [1][3]. Group 1: Heatstroke Awareness - Heatstroke can occur indoors, especially in high-temperature and high-humidity environments, affecting vulnerable populations such as the elderly, children, and those with chronic conditions [5][7]. - Symptoms of heatstroke include dizziness, nausea, and confusion, and immediate cooling measures should be taken if these symptoms arise [9][14]. Group 2: Prevention and Response - It is crucial to maintain proper ventilation and hydration to prevent heatstroke, and using air conditioning is recommended during hot weather [7][20]. - In case of suspected heatstroke, rapid physical cooling methods should be employed, and medical assistance should be sought immediately [14][18]. - Consuming cold drinks is not an effective prevention method for heatstroke; instead, maintaining hydration with water or electrolyte drinks is advised [20].

Core Viewpoint - The article emphasizes the importance of awareness regarding heat stroke, particularly in high-temperature and high-humidity environments, where even indoor settings can pose risks for vulnerable populations such as the elderly, children, and those with chronic illnesses [1][3]. Group 1: Heat Stroke Awareness - Heat stroke can occur indoors, especially in high-temperature and high-humidity conditions, affecting individuals who may not be exposed to direct sunlight [1][3]. - Vulnerable groups, including the elderly, children, pregnant women, and those with chronic conditions, are at higher risk of heat stroke even without outdoor exposure [3]. Group 2: Symptoms and Response - Symptoms of heat stroke may not always include a body temperature of 40°C; atypical cases can present with symptoms like dizziness, nausea, and confusion at lower temperatures [5]. - Immediate physical cooling measures should be taken if symptoms of heat stroke appear, followed by prompt medical attention [6]. Group 3: Hydration and Diet - Consuming cold drinks is not an effective prevention method for heat stroke; alcoholic and high-sugar beverages can lead to further dehydration [9]. - It is recommended to maintain hydration by drinking water or electrolyte-rich beverages regularly, rather than waiting until feeling thirsty [9].

Core Points - The article discusses the increasing cases of heat stroke, particularly during the ongoing high-temperature weather in China, emphasizing the importance of recognizing and responding to heat stroke symptoms promptly [1][2]. Group 1: Types of Heat Stroke - There are two types of heat stroke: classic heat stroke, which primarily affects the elderly, children, and those with pre-existing conditions, with a mortality rate as high as 70%, and exertional heat stroke, which mainly affects young individuals engaged in physical activities in high-temperature environments, with a mortality rate around 30% [1][2][4]. Group 2: Emergency Response - Immediate cooling of the patient is crucial, with the goal of reducing core body temperature to below 39°C within 30 minutes and below 38.5°C within 2 hours to significantly lower the risk of death [2][3]. - Recommended emergency measures include moving the patient to a cool, ventilated area, removing excess clothing, applying wet towels to major blood vessel areas, and using cool water for immersion or spraying [3]. Group 3: Misdiagnosis and Awareness - Classic heat stroke can be easily misdiagnosed due to its subtle onset and symptoms, which may not always include a significant rise in body temperature, leading to potential oversight [4]. - Symptoms such as confusion, fever, or other discomforts after exposure to high temperatures should raise suspicion for heat stroke, necessitating immediate medical attention [4]. Group 4: Common Misconceptions - Drinking herbal remedies like Huo Xiang Zheng Qi Shui is not effective in preventing heat stroke, as it is intended for different conditions related to digestive issues rather than heat-related illnesses [5][6]. - Maintaining a room temperature of 26°C does not guarantee protection against heat stroke, as high humidity and lack of ventilation can also lead to heat-related illnesses [7]. - The use of antipyretics for heat stroke is inappropriate, as they do not address the underlying causes of elevated body temperature in these cases and may cause additional harm [8].

Core Viewpoint - The article discusses the increasing cases of heat stroke, particularly heat stroke with high mortality rates, during the ongoing high-temperature weather across the country. It emphasizes the importance of recognizing symptoms and taking immediate action to prevent fatalities. Group 1: Types and Symptoms of Heat Stroke - There are two types of heat stroke: classic heat stroke, which primarily affects the elderly, children, and those with underlying health conditions, with a mortality rate as high as 70% [1][4]. - Labor-type heat stroke occurs in young individuals engaged in physical training or outdoor work in high-temperature and high-humidity environments, with a mortality rate around 30% [1][4]. - Symptoms of heat stroke include rapid temperature rise above 40°C, hot skin, extreme fatigue, confusion, and potential gastrointestinal issues like nausea and vomiting [3][4]. Group 2: Emergency Response and Treatment - Immediate cooling is crucial; core body temperature should be reduced to below 39°C within 30 minutes and below 38.5°C within two hours [4][6]. - Emergency measures include moving the patient to a cool, ventilated area, removing clothing, and applying wet towels to major blood vessel areas [6][4]. - Continuous monitoring of the patient's temperature and vital signs is essential while waiting for emergency services [6]. Group 3: Misdiagnosis and Awareness - Classic heat stroke can be easily misdiagnosed due to its subtle onset and non-specific symptoms, particularly in vulnerable populations [7][9]. - Patients may exhibit symptoms similar to other conditions, such as incontinence or organ failure, which can lead to confusion and delayed treatment [9][11]. - Awareness of environmental exposure and detailed patient history is critical for timely diagnosis and intervention [11]. Group 4: Common Misconceptions - The belief that certain remedies, like Huoxiang Zhengqi water, can prevent heat stroke is incorrect, as it is not suitable for heat stroke prevention [13]. - Maintaining indoor temperatures at 26°C does not guarantee protection against heat stroke, as high humidity and poor ventilation can also lead to heat-related illnesses [14]. - Using oral antipyretics to reduce fever in suspected heat stroke cases is ineffective and potentially harmful [16].

Core Viewpoint - The article highlights the increasing health risks associated with high temperatures, particularly focusing on heat stroke and cold-induced heat illness, and emphasizes the importance of preventive measures and timely medical intervention [1][2][5]. Group 1: Heat Stroke - Heat stroke is characterized by a core body temperature exceeding 42°C, leading to significant organ dysfunction and potential death [2]. - The condition arises when the body's temperature regulation fails, causing cellular energy metabolism disruption, particularly affecting vital organs like the heart, liver, and kidneys [2][3]. - Preventive measures include regular hydration of 200-300 milliliters per hour, balanced nutrition, and avoiding outdoor activities during peak heat hours [3][4]. Group 2: Cold-Induced Heat Illness - Cold-induced heat illness occurs when individuals transition from a cold environment to a hot one, causing symptoms like dizziness and nausea due to rapid temperature changes [5][6]. - To prevent this condition, it is advised to gradually adjust to temperature changes, maintain a maximum temperature difference of 5°C between indoor and outdoor environments, and ensure adequate hydration [7][8]. - Symptoms of cold-induced heat illness can be alleviated by loosening clothing, ensuring ventilation, and consuming small amounts of warm water [7][8].

Core Insights - The article highlights the increasing cases of heat stroke patients in Harbin Medical University First Affiliated Hospital's emergency department, with common symptoms including body temperature exceeding 42°C, significant consciousness impairment, and rapid multi-organ failure [1] Group 1: Medical Mechanism - Heat stroke is characterized by a significant rise in core body temperature, disruption of the nervous system, and multi-organ damage, which can lead to death in a short time [1] - The occurrence of heat stroke is attributed to the failure of the body's temperature regulation system, particularly when core temperature exceeds 40.5°C, leading to a breakdown in cellular energy metabolism and mitochondrial function [1][2] Group 2: Physiological Effects - Sustained high body temperature can damage enzymes and proteins, interrupting vital biochemical reactions, initially manifesting as liver and kidney dysfunction [2] - Extreme temperatures can trigger an abnormal immune response, releasing inflammatory factors that increase vascular permeability and can lead to severe bleeding and shock [2] Group 3: Prevention and Recommendations - Preventing heat stroke involves more than just limiting outdoor activities; it requires proactive hydration, balanced nutrition, and proper timing for outdoor exposure [2] - Recommendations include drinking 200 to 300 milliliters of water every hour, especially during heavy sweating, and consuming foods rich in potassium and magnesium to enhance heat resistance [2] Group 4: Outdoor Activity Management - It is crucial to schedule outdoor activities wisely, avoiding strenuous exercise during peak heat hours from 10 AM to 4 PM [3] - Suggested protective measures include wearing light-colored, loose-fitting clothing, using sun protection, and carrying cooling devices [3] Group 5: Emergency Response - The key to treating heat stroke is rapid cooling and immediate medical attention, with a critical response time of about 10 minutes [3] - Initial steps include moving the patient to a cool, shaded area, removing excess clothing, and using cold water or ice packs to lower body temperature effectively [3]

Core Points - The article discusses the differences between heat stroke and heat exhaustion, emphasizing the severity of heat stroke and its potential life-threatening consequences [1][2] - It highlights the importance of early detection and intervention in preventing the progression from mild heat exhaustion to severe heat stroke [2] Group 1: Heat-Related Illnesses - Heat exhaustion is a gradual process with symptoms that can include excessive thirst, sweating, fatigue, dizziness, and flushed skin, while severe heat stroke can lead to high fever, convulsions, shock, and coma [1] - Heat stroke is characterized by three main symptoms: high fever, absence of sweating, and coma, with body temperatures potentially exceeding 40°C to 42°C [1] Group 2: Prevention and Treatment - Early detection, rapid cooling, and prompt medical attention are crucial in managing heat-related illnesses, as the duration of high body temperature correlates with the severity of tissue damage [2] - Recommendations for prevention include monitoring weather forecasts, reducing exposure to extreme heat, staying hydrated with electrolyte-rich fluids, and resting in cool areas when experiencing symptoms of discomfort [2]