Cardiac Amyloidosis: Causes, Symptoms, and Treatment
Written by Sumiran Racherla, MD. Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Cardiac Amyloidosis?
A cardiologist usually leads the care, and some have extra training in this disease at centers that see many amyloid patients. A primary care doctor often spots the first warning signs and orders early tests. Depending on the type, blood doctors or genetic counselors may join the team.
What it is
Cardiac amyloidosis is a disease where an abnormal protein called amyloid builds up in the heart. These misfolded proteins clump together in the heart muscle, making the walls stiff. A stiff heart cannot fill with blood well. This can lead to heart failure.
Symptoms
Symptoms often come on slowly, and many people mistake them for normal aging. Common signs include shortness of breath during activity, fatigue, and swelling in the legs, ankles, or belly. Some people feel palpitations. Others may feel dizzy or faint. Some also have numbness or tingling in the hands and feet.
Causes and who gets it
There are two main types. One happens when a protein called transthyretin, or TTR, which is made by the liver, becomes unstable and clumps in the heart, and it mostly affects men over 60, especially Black men. The other comes from abnormal bone marrow cells and is more common in older adults.
How doctors diagnose it
Diagnosis often starts with an echocardiogram. Doctors may also order an MRI, along with blood and urine tests to show which type is present. Newer imaging scans can often show the buildup without a biopsy. Because the symptoms look like other heart problems, the disease can be missed, so testing matters.
Treatment
Treatment depends on the type. Some newer medicines quiet the gene that makes the TTR protein, slowing or stopping the buildup. For the type linked to bone marrow, treatment may involve chemotherapy. Doctors also use medicines that reduce fluid buildup. The goal is usually to slow the disease and ease symptoms rather than cure it.
When to see a doctor
Anyone with ongoing shortness of breath, leg swelling, or extreme tiredness should see a doctor, since these symptoms can come from many conditions. People with a family history of amyloidosis should mention it. Early diagnosis matters because treatment works best before serious damage has happened.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Their longer visits make it easier to talk through symptoms that come on slowly. They can order early tests, manage heart medicines, and refer the patient to a cardiologist when amyloidosis is suspected.
Common questions
Is cardiac amyloidosis the same as regular heart failure?
No. Regular heart failure describes what the heart is doing. Amyloidosis is a specific cause of it. The protein buildup makes the heart stiff, which leads to heart failure over time.
Is it cancer?
No, cardiac amyloidosis is not cancer. However, one type comes from abnormal bone marrow cells. That is a blood-related condition that needs its own treatment.
Can it be cured?
There is no cure for most types right now. Treatment can slow the disease and ease symptoms, but results differ from person to person.
Should my family get tested?
Some rare forms run in families. If a genetic type is found, a genetic counselor can help family members decide whether testing makes sense for them.
Sources
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
