In the U.S., someone dies of a heart condition every 34 seconds.1 According to the American Heart Association, heart disease remains the leading cause of death in the United States. In 2022 the overall number of heart health-related deaths in the U.S. was 941,652, an increase of more than 10,000 from the number of deaths reported in 2021.1
But here’s the thing most people miss: a lot of heart health signs do not begin with one dramatic moment. They begin with small changes that are easy to explain away at first. You might notice that your partner gets winded walking up stairs they used to handle easily, or their shoes seem tighter by the end of the day. They might be more tired than usual, brushing it off as stress, work, age, or a bad night of sleep, or maybe they mention chest pressure once and move on.
Even worse, they might not mention it at all.
That is part of why partners and caregivers matter so much. The person living in the body may normalize symptoms or push through them, but the person beside them often sees the pattern more clearly.
Heart health is not only about what happens in an emergency room. It is also about what gets noticed at home, in the car, during errands, or in the quiet routines of daily life. In this article, we will break down what the heart does, the common conditions that can affect it, the symptoms a partner or close friend may notice first, and the everyday ways support can help keep the heart stronger over time.
How The Heart Works, In Plain Language
The heart is a muscle that pumps blood through the body all day and all night. That blood carries oxygen and nutrients to organs, muscles, and tissues so the body can keep functioning.2 When the heart is working well, blood moves efficiently where it needs to go. When it is under strain, the body can start showing signs that circulation is not keeping up as well as it should.2
A simple way to think about it is this: the heart is the body’s engine, but it also depends on healthy blood vessels, steady blood pressure, and the right rhythm to do its job. If the heart muscle weakens, if the arteries narrow, if blood pressure stays too high, or if the rhythm becomes abnormal, that stress can affect how well the whole system works.2
Common Heart Conditions A Partner Should Know About
- A partner does not need to memorize every diagnosis, but it helps to know the big categories that often show up in everyday life.
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One common issue is high blood pressure, which often has no obvious symptoms at all but puts extra strain on the heart and blood vessels over time.1
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Another is coronary artery disease, where blood flow to the heart becomes reduced because of plaque buildup in the arteries.3 That can lead to chest discomfort, shortness of breath, or even a heart attack.3 Unstable angina, for example, can cause new or worsening chest pain and should be treated as an emergency.3
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Another major condition is heart failure. Despite the name, this does not mean the heart has stopped.4 It means the heart is not pumping as well as it should. That can cause fluid buildup, swelling, fatigue, shortness of breath, and rapid weight gain.4
- There are also arrhythmias, or irregular heart rhythms.5 Sometimes these feel like fluttering, racing, pounding, or skipped beats. In some cases, arrhythmias can lead to dizziness or fainting.5
Heart Health Signs You May Notice In A Partner Or Friend
1. Shortness of Breath
One of the biggest things to notice is shortness of breath that feels new or worse than usual. Maybe your partner gets winded during normal chores, walking to the mailbox, or climbing stairs that did not bother them before. Maybe they have trouble breathing when lying flat or wake up short of breath at night. Those are symptoms the American Heart Association specifically flags in heart failure monitoring.6
2. Swelling
Another sign is swelling. Shoes, socks, rings, or pant legs may start fitting differently. Swelling in the feet, ankles, legs, fingers, or stomach can be a sign of fluid buildup. This is especially important because people do not always notice swelling in themselves until someone else points it out.6
3. Fatigue
Another easy symptom to underestimate is fatigue. If someone who is usually active is now exhausted after simple daily tasks, that matters.6
4. Chest Discomfort
Then there is chest discomfort. This does not always feel like the movie version of a heart attack. It may feel like pressure, heaviness, squeezing, or pain that comes and goes. It may show up with activity or even at rest. Unstable angina and heart attack symptoms should always be taken seriously, especially if the discomfort is new, worsening, or persistent.3 Outside of these symptoms, you may also notice racing, pounding, or irregular heartbeat, persistent coughing or wheezing, reduced appetite or nausea, or even changes in thinking, especially if someone seems more foggy or less sharp than usual.6
Why Looking for Heart Health Signs Matter for Partners And Caregivers
People often explain away their own symptoms. They say they are tired because of work, swollen because of salt, short of breath because they are out of shape, or foggy because they are stressed. A partner or caregiver is often the person who sees that it is not just one off day. It is a pattern.
That role matters even more in chronic conditions like heart failure, where day-to-day symptom changes can signal that the condition is getting worse.
Support is not only about emergencies. It is also about noticing, remembering, and connecting the dots. A partner may be the one who notices that the swelling started last week, that the breathing is worse when lying down, or that the person has stopped doing activities they used to do comfortably. That kind of pattern recognition can be powerful.
What To Look For Every Day To Protect Your Heart
A useful daily check does not need to be dramatic or obsessive. It just needs to be observant.
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Pay attention to breathing. Does your partner get winded more easily than usual? Are they sleeping propped up with extra pillows because lying flat is uncomfortable? Have they woken suddenly at night short of breath? These are meaningful changes.
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Look at swelling. Do shoes, rings, or socks seem tighter? Are the ankles puffier than usual? Has the stomach started looking more distended? Fluid buildup can show up quietly.
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Notice energy. Is there a level of fatigue that feels different from normal tiredness? Is your partner sitting down more often, moving slower, or skipping routines they normally handle? That kind of change matters too.
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Watch for weight changes if there is already a known heart condition. Rapid weight gain can be a sign of fluid retention, especially in heart failure.
- And listen when your partner mentions chest pressure, heart pounding, dizziness, or feeling “off.” Sometimes the body whispers before it screams.
Why This Matters For Black And Brown Communities
This conversation carries extra weight in Black and Brown communities because the burden of heart disease is not shared equally. Black adults in the U.S have some of the highest prevalence of hypertension in the world, with 58.4% of Black women and 57.5% of Black men having high blood pressure.7 When it comes to heart failure, Black adults account for over 50% of heart failure hospitalizations among U.S. adults under 50.7
That means the everyday symptoms a partner notices are not a small thing. They are part of a larger reality in communities already carrying heavier burdens of high blood pressure, heart failure, stroke, diabetes, and chronic stress.
When those risks intersect with barriers to care, transportation, insurance issues, work strain, or medical mistrust, early recognition at home becomes even more important.
This is also why caregiving should not be framed as hovering. In many homes, especially in Black and Brown communities, loved ones are often the first real health monitors. They are the ones who see the swelling, hear the breathing changes, notice the extra fatigue, and encourage someone to stop pushing through symptoms that deserve attention.
A Quick Guide To Support Heart Health
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Start by paying attention to patterns, not isolated moments. One tired day is one thing. A week of getting winded, swelling, or unusual fatigue is something else.
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Make it easier to notice changes. If your partner has a known heart condition, keep an eye on breathing, swelling, energy, and weight. If there is no known diagnosis, just noticing those changes is still valuable. The point is not to panic over every symptom. It is to take repeated changes seriously.
- Support the basics that protect the heart over time: taking medications as prescribed, keeping blood pressure in check, showing up for appointments, moving the body when appropriate, managing sodium intake if heart failure is already in the picture, and not ignoring new symptoms.
And perhaps most importantly, say something when something feels off. A loving observation can become the moment that gets someone checked earlier, treated sooner, or taken seriously before a problem gets bigger.
A Call To Action For The NOWINCLUDED Community
Sometimes the strongest heart support starts with simply noticing what has changed. A partner, friend, or caregiver may be the first person to recognize that something is not just stress, not just age, and not just one hard day.
Inside the NOWINCLUDED app, you can find trusted, culturally aware health education that helps connect everyday symptoms to the bigger picture of prevention and care.
Use it to learn what to watch for, better understand heart health in your community, and take one practical step toward protecting the people you love.
References
- AHA. (2025, January 27). Heart disease remains leading cause of death as key health risk factors continue to rise. Retrieved from American Heart Association: https://newsroom.heart.org/news/heart-disease-remains-leading-cause-of-death-as-key-health-risk-factors-continue-to-rise
- AHA. (2026, April 13). How the Healthy Heart Works. Retrieved from American Heart Association : https://www.heart.org/en/health-topics/congenital-heart-defects/about-congenital-heart-defects/how-the-healthy-heart-works
- CDC. (2024, May 15). About Coronary Artery Disease (CAD). Retrieved from Centers for Disease Control and Prevention: https://www.cdc.gov/heart-disease/about/coronary-artery-disease.html
- AHA. (2025, May 20). What is Heart Failure? Retrieved from American Heart Association: https://www.heart.org/en/health-topics/heart-failure/what-is-heart-failure
- AHA. (2024, September 24). What is an Arrhythmia? Retrieved from American Heart Association: https://www.heart.org/en/health-topics/arrhythmia/about-arrhythmia
- AHA. (2025, May 29). Heart Failure Signs and Symptoms. Retrieved from American Heart Association: https://www.heart.org/en/health-topics/heart-failure/warning-signs-of-heart-failure
- AHA. (2025, February 7). Cardiovascular health risks continue to grow within Black communities, action needed. Retrieved from American Heart Association: https://newsroom.heart.org/news/cardiovascular-health-risks-continue-to-grow-within-black-communities-action-needed
