Rheumatoid heart disease mainly causes lesions of the heart, myocardium, valves and pericardium, and symptoms of heart failure, arrhythmia and pericardial tamponade will appear. The symptoms of heart failure are mainly manifested as follows: 1. Symptoms of left heart failure, exertional dyspnea, telangiectatic breathing, and paroxysmal sleep dyspnea at night, and even pulmonary edema in severe cases. Pump failure can show the manifestation of systemic organ ischemia, renal ischemia manifests as oliguria and anuria, cerebral ischemia manifests as dizziness and black clouding, digestive ischemia manifests as indigestion, etc. The signs and symptoms of right heart failure are mainly digestive stasis and lower limb edema. 2. arrhythmia, patients with arrhythmia can manifest as chest tightness, palpitations, and in severe cases, even black clouding, syncope, or even sudden death. 3. pericardial tamponade Symptoms, patients may present with hypotension, palpitations, sweating, pallor, and circulatory failure.