 This type is often misdiagnosed, however, greater use of cardiac magnetic resonance has increased diagnosing rates.Amyloid deposition in the heart can cause both diastolic and systolic heart failure.Symptoms of cardiac amyloidosis include dyspnea on exertion, peripheral edema, ascites, thromboembolisms, and symmetric, sensory neuropathy, postural hypotension, periorbital bleeding, pericardial effusion, atrial arrhythmia, first/second degree heart blocks, atrial fibrillation, syncope, elevated neck veins and jugular venous pressure.