Heat stroke (heatstroke or sun stroke) is a form of hyperthermia. Heat stroke is a true medical emergency that can be fatal if not promptly and properly treated. Symptoms of heat stroke include high body temperature, absence of sweating, hot red or flushed dry skin, rapid pulse, difficulty breathing, strange behavior, hallucinations, confusion, agitation, disorientation, seizure, and coma. A victim of heat stroke must receive immediate treatment to avoid permanent organ damage. Read more: Heat Stroke Article
Multimedia: Slideshows, Images & Quizzes
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Trauma and First Aid Quiz: Training and Supplies
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Summer Skin Risks: Sunburn, Bug Bites & Poison Ivy
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Sun Safety Quiz: Test Your Sun Safety IQ
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Epilepsy & Seizures Quiz: What Causes Seizures?
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Headaches Quiz: Learn About Headache Pain
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Picture of Sunburn
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Picture of Acute Sunburn
Sunburn is an acute, delayed, and transient inflammatory response of normal skin after exposure to UVR from sunlight or...
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Picture of Sunburn (First-Degree Burns)
A sunburn is skin damage from the sun's ultraviolet (UV) rays. See a picture of Sunburn (First-Degree Burns) and learn more about...
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Picture of Sunburn (Second-Degree)
Your skin type affects how easily you become sunburned. See a picture of Sunburn (Second-Degree) and learn more about the health...
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Sun-Damaged Skin: Pictures of Sun Spots, Wrinkles, Sunburns
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Low Blood Pressure (Hypotension): Symptoms, Signs, Causes
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Dehydration: Causes, Symptoms & Tips to Stay Hydrated
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How to Get Rid of Nausea and Vomiting
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Heat Rash Pictures, Symptoms, Causes, & Treatments
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Healthy Living: Sunlight and Your Health
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Related Disease Conditions
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Cystic Fibrosis
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Seizure (Epilepsy)
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Fainting (Syncope)
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Sun-Sensitive Drugs (Photosensitivity to Drugs)
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Heat-Related Illness
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Heat Exhaustion
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Heat Rash (Symptoms, Pictures, Treatment, Remedies)
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Treatment & Diagnosis
- Summer Skin Hazards Pictures FAQs
- Headaches FAQs
- Epilepsy and Seizures FAQs
- Sun Safety FAQs
- Trauma and First Aid FAQs
- First Aid Fast Facts
- Summer Heat: 15 Ways to Keep Cool When It’s Hot
- 11 Tips for a Safe Fourth of July
- What Is a Hospitalist?
- 11 Tips for Surviving A Heat Wave Without Air-Conditioning
- 6 Tips if You Need Healthcare When Traveling
- 5 Ways to Recognize a Heat-Related Illness
- Survivng A Heat Wave audio podcast
Medications & Supplements
Prevention & Wellness
- Forecast Sees Abnormal Heat Worldwide Through 2022
- Climate Change Means More Deadly Heat Waves: Study
- It's Hot Outside: How to Stay Safe When Thermometers Rise
- Health Tip: Treating Heat-Related Illness
- Heat Waves Can Dull Even Young Minds, Study Says
- A-C-T to Prevent Hot Car Tragedies
- As Temperatures Soar, Study Warns of Fatal Heat Stroke at Work
- Beat the Heat on Your Summer Vacation
- Hot Cars, Drowning: Keep Your Family Safe This Summer
- Look Before Locking: Protect Your Child From a Hot Car Tragedy
- Health Tip: Learn Warning Signs of Heat Stroke
- Health Tips for Summer Fun
- Climate Change Will Bring Hotter Summers to U.S.
- Do Heat Waves Shave Dollars Off a Baby's Future Earnings?
- Despite Warnings, Kids Are Still Dying in Hot Cars
- Heat Deaths in U.S. Cities Could Jump 10-fold If Climate Change Isn't Slowed
- Expect More Record-Breaking Heat in U.S., Scientists Warn
- Water: Can It Be Too Much of a Good Thing?
- First Days of Preseason Practice Pose Big Heat Risks for College Football Players
- Child Dies in Hot Car Almost Once a Week
- Heat Waves Hit Seniors Hardest
- Sickle Cell Trait Not Linked to Early Death in Study
- 'Heat Dome' Heats Up United States
- How to Spot the Warning Signs of Heat Stroke
- Heat Waves Pose Big Health Threats
- 3,300 Heat Deaths a Year Projected for NYC by 2080
- Guidelines Stop Heat Stroke Deaths in High School Athletes
- Doctors Issue Call to Combat Climate Change
- Searing Heat, High Humidity a Threat to Your Health
- Health Tip: Spot the Signs of Heat Stroke
- Hot Weather Safety Essential for Elderly
- U.S. Kids Not Drinking Enough Water Each Day
- Heat Stroke, Kidney Failure Help Drive Illnesses From Extreme Heat
- Health Woes to Worsen Due to Climate Change, Study Warns
- Hot Cars Can Quickly Prove Deadly for Kids
- Extreme Weather Kills 2,000 in U.S. Each Year: CDC
- Heat Stroke a Greater Threat to Endurance Runners Than Heart Problems: Study
- If You Can't Stand the Heat . . .
- For Heat Stroke Victims, Cool First, Then Transport
- Protect Your Kids From the Heat
- For Safety's Sake, Don't Leave Kids in Cars
- Health Tip: Risk Factors for Heat Illness
- Health Tip: Children Are Vulnerable in the Heat
- End of Heat Wave on the Horizon
- Canadian Cold Front to Bring Relief From Heat Wave by Weekend
- Experts Urge Caution As Heat, Humidity Blanket Much of U.S.
- Heed the Heat During Summer Workouts
- Blistering Heat Sears Western U.S.
- Hundreds Die From Extreme Heat Each Summer, CDC Warns
- Health Tip: Don't Leave Kids in the Car Alone
- Expert Tips for Summer Sports Safety
- Health Tip: Protect Your Child in Extreme Heat
- Health Tip: Heed the Warning Signs of Heat Exhaustion
- Health Tip: Keep Cool in Extreme Heat
- Electric Fans May Be Risky in Extreme Heat
- It's Not So Much the Heat, It's the Lack of Power
- Maintain Heart Health During Summer
- Greater L.A. Heating Up, Climate Experts Predict
- As Heat Builds, Take Steps to Protect Yourself
- Health Highlights: April 9, 2012
- Summer Temperature Swings May Harm Elderly
- Heat-Related Deaths on Rise for High School Football Players
- Avoid Getting Scorched by 'Hot Yoga'
- Extreme Weather Affects Indoor Air Quality
- Do You Know When NOT to Call 911?
- High School Athletes Hit Hard by the Heat
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