患者,女,59岁。因胸闷伴夜间阵发性呼吸困难半年加重5 d入院。有糖尿病史10年,血糖控制不理想,近半年视物模糊。有高血压病史3年。查体:血压(BP):140/80 mm Hg(1 mm Hg=0.133 kPa),神志清楚,言语流利,口唇无发绀,双肺呼吸音清,心率90次/m in,律齐。双下肢轻度水肿,四肢肌力均正 Patient, female, 59 years old. Due to chest tightness with paroxysmal nocturnal dyspnea increased for 5 days after admission for 5 days. A history of diabetes 10 years, blood glucose control is not ideal, nearly half of blurred vision. A history of hypertension for 3 years. Physical examination: blood pressure (BP): 140/80 mm Hg (1 mm Hg = 0.133 kPa), clear consciousness, fluent speech, no cyanosis of the lips, lung breath sounds clear, heart rate 90 times / min, law Qi. Mild edema of both lower extremities, limb muscle strength are positive