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Aortic stenosis (narrowed heart valve)

Also called: Aortic stenosis, narrowed heart valve

The aortic valve narrows, so the heart works harder. Signs include chest pain, fainting, and shortness of breath with activity.

Common inOver 65
TreatmentValve replacement (surgery or TAVR)

Overview

Once symptoms start, the valve usually needs replacing.

Aortic stenosis often comes from calcium buildup with age.

TAVR replaces the valve through a blood vessel.

Symptoms

Common signs:

  • Shortness of breath with activity
  • Getting winded easily with activity or stairs
  • Told I have a heart murmur

Less common

  • Chest pain
  • Fainting
  • Tiredness

When to get medical care

Call 911Fainting or chest pain.
Get care todayNew shortness of breath.
See a doctor soonMurmur.

Causes

Calcium buildup, bicuspid valve.

Does it spread or run in families?

  • It isn't contagious. You can't catch it from someone else.

Who is more likely to get it

  • Older age

Diagnosis

A clinician asks about your symptoms and may order tests.

The exam

A physical exam.

Tests

Tests, if needed:

  • Echo:

Treatment

Treatment depends on the cause and how severe it is.

Self-care

  • Keep follow-up echos
  • Report symptoms promptly

Which doctor treats this

  • Start with your primary care provider (family doctor or internist).
  • They may send you to a cardiologist (heart doctor).

Living with it

Support groups and helplines

Children, pregnancy, and older adults

  • Adults over 65: Most common.

Pregnancy and breastfeeding

  • If you're pregnant or planning to be, tell your prenatal provider about this condition.
  • This condition needs closer checkups during pregnancy. Plan ahead with your doctor.
  • Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
  • Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
  • Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.

Outlook

Valve replacement works well.

Getting ready for your visit

Bring a list of your symptoms and medicines.

What to bring

  • A list of your medicines and supplements
  • Notes on when symptoms started and what makes them better or worse

Questions to ask

  • What's causing this?
  • What treatment do you recommend?
  • Am I a candidate for TAVR?

Research studies

Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.

Search ClinicalTrials.gov for studies on Aortic stenosis (narrowed heart valve)

Sources

Last updated 2026-11-12.