In Heart Conditions
Peripheral Artery Disease: Symptoms, Causes, and Why Legs Matter for Your Heart
Peripheral artery disease (PAD) is atherosclerosis of the leg arteries — the same disease process that causes heart attacks, just in a different location. Roughly 8 million Americans have PAD, and many do not know it.
This page is educational and does not provide medical advice, diagnosis, or treatment. Individual results vary. Please consult a licensed physician for guidance about your specific situation.
7 min read
Key takeaways
- Leg cramping with walking that resolves with rest (claudication) is the classic symptom.
- PAD is a marker of systemic atherosclerosis — patients face significantly higher heart attack and stroke risk.
- Smoking, diabetes, high blood pressure, and high cholesterol are the main drivers.
- Modern endovascular treatment can restore blood flow through small punctures — often with same-day discharge.
What PAD feels like
Classic claudication is calf, thigh, or buttock pain that starts with walking a predictable distance and stops within minutes of rest. Some patients notice cold feet, non-healing wounds, hair loss on the toes, or nighttime foot pain that improves when the leg hangs off the bed.
Many patients have no symptoms at all — the disease is uncovered on an ankle-brachial index (ABI) screening or during imaging for another reason.
Why PAD is a heart warning
PAD and coronary artery disease share the same underlying mechanism. A patient with PAD carries a substantially higher risk of heart attack, stroke, and cardiovascular death than the general population.
That is why PAD treatment is never only about the legs — it is a full cardiovascular risk-reduction opportunity.
How PAD is treated
Foundational care includes tobacco cessation, structured walking programs, statin therapy, antiplatelet medication, and control of blood pressure and diabetes.
For lifestyle-limiting symptoms or critical limb-threatening ischemia, endovascular therapy — angioplasty, atherectomy, stenting — restores blood flow through a small groin or wrist puncture, usually as an outpatient.
When to see a cardiologist
Seek evaluation for calf pain with walking, non-healing foot wounds, coldness or color change in a foot, or if you have diabetes plus one other cardiovascular risk factor. Sudden severe leg pain with a cold, pale limb is an emergency — go to the ER immediately.
Talk to a board-certified cardiologist
Request an evaluation at one of our two Miami-Dade locations — Kendall or North Miami Beach. Our care team typically responds within 5–7 business days.