患者男,65岁。因发热、头痛、腰痛3天入院。既往有高血压病史3年,否认有心慌、气急、心前区疼痛等病史。体检:体温39.4℃,呼吸22次/分,脉搏146次/分,血压110/60mmHg。烦躁、谵语。颈面部皮肤发红,结膜、咽腭部粘膜充血。心界向左扩大,心尖位于左4肋间隙锁骨中线外2cm,心率160次 Male patient, 65 years old. Due to fever, headache, back pain 3 days admitted. Past history of hypertension 3 years, denied a palpitation, shortness of breath, precordial pain and other medical history. Physical examination: body temperature 39.4 ℃, breathing 22 beats / min, pulse 146 beats / min, blood pressure 110 / 60mmHg. Irritability, slander Neck and face skin redness, conjunctival, pharyngeal palate mucosal hyperemia. Heart to the left to expand, apex located in the left 4 intercostal space outside the clavicle 2cm, heart rate 160 times