Amyloidosis - cardiac; Primary cardiac amyloidosis - AL type; Secondary cardiac amyloidosis - AA type; Stiff heart syndrome; Senile amyloidosis
Excessive urination at night Fatigue, reduced activity tolerance Palpitations(sensation of feeling heart beat) Shortness of breathwith activity Swelling of legs, ankles, or other part of the body (See: abdominal swelling) Trouble breathing while lying down
Some patients may have no symptoms.
Signs and tests
It can be difficult to diagnose cardiac amyloidosis, because the signs can be related to a number of different conditions.
Signs may include:
- Abnormal sounds in the lung (lung crackles) or a heart murmur
Blood pressurethat is low or drops when you stand up
- Enlarged neck veins
- Swollen liver
The following tests may be performed to help diagnose cardiac amyloidosis:
Chest or abdomen CT scan(this is considered the "gold standard") Coronary angiography Echocardiogram Magnetic resonance imaging(MRI) Nuclear heart scans(MUGA, RNV)