Heart Tests, Procedures & Rehabilitation
Atrial Enlargement (LA/RA Dilation)
Atrial enlargement means a top chamber of your heart has stretched, usually from long-standing pressure or volume. It is a marker to find and treat the cause - rarely an emergency by itself.
This is a free, plain-language patient education guide written by Rias Ali, MD, FACC, a board-certified interventional cardiologist. Every guide is grounded in current peer-reviewed evidence and major society guidelines, organized in a way patients can actually use during a visit.
Download the Atrial Enlargement (LA/RA Dilation) guide
What's inside this guide
- Plain-language explanation of atrial enlargement (la/ra dilation)
- Why it matters and what the major risks are
- Treatment options with risks, benefits, and alternatives
- Common misconceptions clarified
- Lifestyle and self-care advice
- Specific warning signs — when to call us, when to call 911
- Sources used to build the guide (peer-reviewed and society guidelines)