Getting winded on a walk that used to be easy. Ankles that swell by evening. Needing an extra pillow to breathe comfortably at night. Many people write these changes off as “just getting older,” but they can be early signs of heart failure, a condition that affects roughly 6.7 million adults in the United States. In the Phoenix area, where summer heat puts extra strain on the heart and makes fluid balance tricky, recognizing heart failure early matters even more. At Four Peaks Primary Care, Dr. Yar Khan and our team help patients catch heart failure early and manage it with the most effective, evidence-based treatments available today.
What Is Heart Failure?
Despite the name, heart failure does not mean the heart has stopped working. It means the heart cannot pump or fill well enough to meet the body’s needs. Blood and fluid back up into the lungs, legs, and abdomen, and the body’s organs receive less oxygen than they need.
Doctors generally describe two main types:
- Heart failure with reduced ejection fraction (HFrEF): The heart muscle is weakened and does not squeeze strongly enough.
- Heart failure with preserved ejection fraction (HFpEF): The heart squeezes normally but is stiff and does not relax and fill properly. This type is especially common in older adults and in people with high blood pressure, diabetes, and obesity.
Heart failure is also a progressive condition described in stages, from Stage A (at risk, with conditions such as high blood pressure or diabetes) to Stage D (advanced disease). The goal of good primary care is to keep patients in the earliest stages for as long as possible.
Risk Factors and Early Warning Signs
Who Is at Risk?
- High blood pressure, the single most common contributor
- Coronary artery disease or a prior heart attack
- Type 2 diabetes and obesity
- Atrial fibrillation or other heart rhythm problems
- Heart valve disease
- Chronic kidney disease
- Sleep apnea
- Heavy alcohol use, smoking, or certain chemotherapy medications
- A family history of cardiomyopathy
Symptoms to Watch For
- Shortness of breath with activity, when lying flat, or waking up at night short of breath
- Swelling in the feet, ankles, legs, or abdomen
- Rapid weight gain, such as 2 to 3 pounds in a day or 5 pounds in a week, which often signals fluid buildup
- Persistent fatigue or reduced ability to exercise
- A lingering cough or wheezing
- Reduced appetite or feeling full quickly
- A fast or irregular heartbeat
Because these symptoms develop gradually, many people adapt without realizing how much their activity has declined. If you notice any of these changes, especially with one of the risk factors above, it is worth a conversation with your doctor.
How Heart Failure Is Diagnosed and Treated Today
Diagnosis usually starts in the primary care office with a careful history, physical exam, blood tests including a natriuretic peptide level (BNP or NT-proBNP), an ECG, and an echocardiogram, an ultrasound of the heart that measures how well it pumps and fills.
Treatment has improved dramatically over the past decade. Current national guidelines recommend a combination of medications, often called guideline-directed medical therapy, that has been shown to help people live longer and stay out of the hospital. For heart failure with reduced ejection fraction, this typically includes four medication classes:
- ARNI, ACE inhibitor, or ARB to relax blood vessels and reduce strain on the heart
- Evidence-based beta-blockers to protect the heart muscle and control heart rate
- Mineralocorticoid receptor antagonists such as spironolactone
- SGLT2 inhibitors, originally diabetes medications, which also reduce heart failure hospitalizations, including in patients with preserved ejection fraction
Diuretics (“water pills”) help relieve swelling and shortness of breath. Just as important is treating the conditions that drive heart failure: controlling blood pressure, managing diabetes, treating sleep apnea, and addressing weight. Lifestyle steps make a real difference, including limiting excess sodium, staying physically active within safe limits, avoiding tobacco, limiting alcohol, and weighing yourself daily.
A Note for Phoenix Summers
Arizona heat raises special concerns for people with heart failure. Sweating and dehydration can interact with diuretics and blood pressure medications, causing dizziness or kidney strain, while overdrinking can worsen fluid buildup. Your doctor can help you set a personalized fluid plan and adjust medications during the hottest months. Exercise in the early morning or indoors, and know the signs of heat exhaustion.
When to See a Doctor
Schedule a visit if you have new or worsening shortness of breath, leg swelling, unexplained fatigue, or rapid weight gain, or if you have risk factors such as high blood pressure or diabetes and have not had your heart health evaluated recently. If you already have heart failure, regular follow-up is essential, since medications are often adjusted step by step to reach the most effective doses.
Call 911 right away for chest pain, severe shortness of breath at rest, fainting, confusion, or coughing up pink, frothy mucus.
Heart Failure Care at Four Peaks Primary Care
At Four Peaks Primary Care, Dr. Fayz Yar Khan, MD, FACP, a board-certified internist and Fellow of the American College of Physicians, provides thorough, personalized care for patients at risk for or living with heart failure. From early screening and risk factor control to carefully adjusting guideline-directed medications and coordinating with cardiology when needed, our team helps patients throughout Phoenix, North Phoenix, Paradise Valley, and Scottsdale protect their hearts and stay active. Our office is conveniently located at 10214 N Tatum Blvd, Suite B300, Phoenix, AZ 85028.
Schedule your appointment at yarkhanmd.com/appointments or call (623) 256-4160 today.
