Leg Swelling from Heart Failure (Cardiogenic / Volume-Overload Edema)

Leg swelling is one of the most common signs of heart failure and often one of the first signs that fluid is building up. It can also appear when a person with stable heart failure has a flare (decompensation).

• Cardiogenic (volume-overload) edema: both legs, soft and pitting, worse by evening, often with weight gain, shortness of breath or swelling in the abdomen. It improves as excess fluid is removed.
• Chronic venous insufficiency (venous congestion): from weak vein valves rather than the heart. Often one leg worse than the other, with varicose veins, brown skin staining near the ankles or venous ulcers. See our Lymphedema & Venous Congestion guide.
• Lymphedema: from impaired lymph drainage. Firmer, less pitting over time, may involve the toes and foot, and responds poorly to diuretics. See our Lymphedema & Venous Congestion guide.
• Other causes to rule out: kidney disease, liver disease, low protein (albumin), thyroid disease, and medicines such as some calcium channel blockers (for example amlodipine). Sudden swelling in one leg needs prompt evaluation for a blood clot.

• Heart failure with reduced or preserved pumping function
• Too much sodium (salt) or fluid in the diet
• Missed doses of diuretics or other heart failure medicines
• New or worsening heart rhythm problems, such as atrial fibrillation
• Uncontrolled high blood pressure
• Worsening kidney function
• Medicines that cause fluid retention, such as NSAIDs like Advil (ibuprofen) or Aleve (naproxen)
• Infection or other acute illness

• Swelling of both ankles, feet and lower legs, worse at the end of the day
• Shoes or socks that feel tight, or sock marks that stay
• Rapid weight gain from fluid, often before the swelling is obvious
• Shortness of breath with activity or when lying flat (orthopnea), or waking up short of breath
• Abdominal fullness or bloating, or reduced appetite
• At your visit, your provider grades the pitting (how deep the dent is and how long it lasts, often on a 1+ to 4+ scale) and how far up the legs it extends, checks the jugular venous pressure (JVP, the height of the pulsation in the neck veins, which reflects pressure in the right side of the heart), listens to the heart and lungs, examines the abdomen, compares your weight with prior visits and checks the pulses in your feet.

Assessment focuses on confirming volume overload, finding the trigger, and excluding other causes of swelling.

Lab tests usually include: BNP or NT-proBNP (hormones released when the heart is under strain; higher levels support heart failure as the cause), a basic or comprehensive metabolic panel (BMP/CMP) for sodium, potassium and kidney function (creatinine and eGFR), and albumin (low protein can also cause swelling). Other tests may be added based on your history.

An ECG (heart tracing) is done in our office to look for rhythm problems and signs of strain.

An echocardiogram (heart ultrasound) measures pumping function and pressures. We don't do imaging at our office; we refer you to a trusted outside center and review the results with you.

A home log of daily weights is one of the most useful tools for tracking fluid status between visits.

Management treats the fluid overload and the heart failure behind it. Your plan may include:

• Loop diuretics ("water pills") to help the kidneys remove excess sodium and water, such as Lasix (furosemide), Bumex (bumetanide) or Demadex (torsemide). Doses are adjusted to your weight, symptoms and kidney function, and blood tests are checked while doses change.
• Guideline-directed heart failure medicines, managed with your care team and cardiology partner, which improve heart function and lower the chance of future fluid build-up.
• Sodium guidance: limiting salt, including in packaged, canned and restaurant foods. Some people are also asked to limit fluids; follow the specific amount your provider gives you.
• Daily weights: weigh yourself every morning after urinating, before eating, in similar clothing, and write it down. Call us if you gain more than 2 to 3 pounds in a day or 5 pounds in a week.
• Leg elevation when resting.
• Compression stockings only after your arterial circulation has been checked (for example with an ankle-brachial index, ABI), and with caution in decompensated heart failure, because moving fluid quickly from the legs back into the circulation can worsen breathlessness. Ask before starting compression.
• Avoiding medicines that worsen fluid retention, such as NSAIDs, unless your provider approves.

With diuretic adjustment and treatment of the underlying heart failure, cardiogenic edema often improves over days to weeks. Results vary.

Swelling can return if salt intake rises, doses are missed or heart function changes, which is why daily weights and regular follow-up matter.

Your primary care team at Moaddel Medical assesses your fluid status, performs an ECG in the office, orders labs and an echocardiogram, adjusts diuretics and coordinates with a cardiology partner for heart failure care.

If swelling looks more like venous or lymphatic disease, we evaluate that too, including an ankle-brachial index (ABI) or screening Doppler in our office before compression.

We're at 7230 Medical Center Dr, Suite 100, West Hills, CA 91307.