Winter storms in Louisville, Kentucky, can create more than travel problems and inconvenient school closures. Snow, freezing rain, ice, prolonged cold, power outages, and blocked roads can create serious health risks for residents of all ages. A storm that lasts only a day or two can affect access to medical care, prescription medications, heating, food, and emergency services. People with heart disease, older adults, young children, people living alone, and anyone who depends on electricity or regular medical treatment may face especially difficult conditions.

Louisville's winter weather can be particularly challenging because storms do not always produce the same type of hazard. A forecast may call for snow, but temperatures near freezing can turn precipitation into heavy, wet snow or ice. Freezing rain can coat sidewalks, driveways, vehicles, power lines, and roads. Even when snowfall totals are modest, ice and bitter temperatures can make ordinary outdoor tasks dangerous. Before going outside during severe weather, residents should understand the risks associated with exertion, cold exposure, carbon monoxide, mental health, medication interruptions, and delayed emergency care.

If you have a heart condition, check the Louisville winter storm warning today before deciding whether to shovel. Knowing whether dangerous conditions are expected can help residents make safer decisions about outdoor activity, transportation, and emergency preparation.

Snow Shoveling Can Increase the Risk of a Heart Attack

Snow shoveling is one of the most underestimated winter health hazards. It combines strenuous physical activity with cold temperatures, and both factors can place additional stress on the cardiovascular system. Shoveling heavy, wet snow can be particularly demanding because each shovel load may be considerably heavier than dry, powdery snow.

Cold weather causes blood vessels to narrow, a response known as vasoconstriction. This can raise blood pressure and make the heart work harder. Physical exertion then increases the body's demand for oxygen. For someone with underlying coronary artery disease or other cardiovascular risk factors, that combination may increase the likelihood of chest pain, abnormal heart rhythms, or a heart attack.

Older adults and people with high blood pressure, diabetes, high cholesterol, obesity, a history of heart disease, or a previous heart attack should be especially cautious. Smoking and physical inactivity can also contribute to cardiovascular risk.

Residents should not feel obligated to clear every inch of snow themselves. When possible, arrange for a family member, neighbor, or professional snow-removal service to handle strenuous work. If you must shovel, warm up gradually, dress appropriately, take frequent breaks, and avoid lifting large amounts of snow at once. Pushing snow may be less strenuous than repeatedly lifting it, depending on the situation.

Never ignore symptoms while shoveling. Pressure, squeezing, fullness, or pain in the chest; pain spreading to the arm, back, neck, jaw, or shoulder; unexplained shortness of breath; cold sweating; nausea; or sudden weakness can indicate a heart attack. Stop the activity immediately and seek emergency medical assistance rather than attempting to drive yourself to a hospital.

Hypothermia: Recognizing When Cold Exposure Becomes Dangerous

Hypothermia occurs when the body loses heat faster than it can produce it, causing core body temperature to fall to a dangerously low level. Although people often associate hypothermia with extreme outdoor conditions, it can also occur indoors when heating systems fail during a prolonged winter storm.

Early symptoms can include shivering, fatigue, cold or pale skin, clumsiness, confusion, and difficulty concentrating. As hypothermia becomes more severe, shivering may stop. A person may become increasingly confused, drowsy, weak, or unable to coordinate normal movements. Slurred speech and unusual behavior are also warning signs.

Severe hypothermia is a medical emergency. A person experiencing significant confusion, loss of consciousness, severe weakness, or abnormal breathing needs immediate medical attention.

If someone may have hypothermia, move them to a warm, sheltered location. Remove wet clothing and replace it with dry layers or blankets. Warm the person's central body areas gradually, especially the chest, neck, head, and groin. Avoid aggressive rubbing of cold skin and do not use extremely hot water or intense direct heat, which can cause burns or other complications. If the person is awake and able to swallow safely, warm nonalcoholic beverages may help provide warmth.

Older adults may be particularly vulnerable because they may have reduced ability to regulate body temperature or may not recognize how cold they have become. During a prolonged power outage, relatives and neighbors should check on older adults and other vulnerable residents rather than assuming that everyone has adequate heat.