Your Heart and the Heat

Managing Heart Disease During Summer Heat

When outdoor temperatures climb, so do the risks for people with heart disease. For those affected, the summer heat is not just uncomfortable—it can be dangerous. However, by understanding how heat impacts heart health and taking proactive measures, you can effectively manage your condition during the hottest days of summer.

 

A recent study published in American Heart Association’s Circulation journal reveals a significant link between extreme heat and CVD mortality. For every 1°C rise in temperature, CVD-related mortality increases by 2.1 percent, with heat waves causing an approximately 11.7 percent rise in mortality. As summer temperatures soar, individuals with heart disease face heightened health risks.

 

"Heat affects people with heart disease in various ways, primarily through dehydration," says Daniel Krause, DO, a cardiologist with Aspirus Cardiology. He warns that medications like diuretics, which increase urination, can exacerbate dehydration symptoms such as lightheadedness and dizziness. Staying hydrated by drinking plenty of fluids, avoiding alcohol and caffeine, is crucial.

 

Dr. Krause also advises caution for those taking medications that may cause fatigue. "Beta blockers or other medications that slow the heart rate down can worsen symptoms during extreme heat," he notes.

 

In hot weather, the body works harder to regulate temperature, leading to increased heart rate and blood flow to the skin. This added strain can exacerbate symptoms for those with heart disease, causing electrolyte imbalances, dehydration, and blood pressure fluctuations. Dr. Krause recommends close monitoring of these factors and adjusting medications if necessary.

 

"If you experience lightheadedness, dizziness, fatigue, or shortness of breath, seek shade, drink water, and rest," advises Dr. Krause. Finding a cool, preferably air-conditioned environment can provide relief from symptoms.

 

“Listen to your body,” Dr. Krause emphasizes. "During these hot summer days, it’s not the time to push yourself. If you're not feeling well, don't be afraid to take a break. You can always come back to activities later after becoming hydrated and feeling better.”

 

Following these guidelines can help individuals with heart disease effectively manage their condition during challenging summer conditions.

 

To schedule an appointment with Dr. Krause or find an Aspirus provider, visit Aspirus Find a Provider. For more information about cardiology services offered at Aspirus, visit Aspirus Cardiology.

 

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