Cardiac amyloidosis is a condition whereby cardiac tissue is infiltrated by amyloid fibrils. Patients with cardiac amyloidosis commonly develop diastolic and systolic dysfunction, progressive heart failure (HF), arrhythmias, and symptoms of orthostatic hypotension. [PMID:28279425]. The disease is Experimental Factor Ontology entry EFO_1001984 (cardiac amyloidosis). Also known as: Amyloid heart disease, Amyloid heart muscle disease, Amyloidosis of heart, Senile cardiac amyloidosis, amyloid cardiomyopathy.