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患儿女13岁,因头晕心悸间断性腹痛3d入院.入院前1月余曾患急性肾小球肾炎,高血压脑病.入院体检血压15.5/8.6 kPa,一般情况良好,无皮疹无浮肿,咽红、HR80次/min律齐心音有力,各瓣膜听诊区未闻及杂音,肺腹未见异常.入院后间断感头晕心悸,血压正常.入院后实验室检查,尿常规,血电解质肝肾功能血T_3、T_4、心肌酶心电图胸片均正常,诊断上呼吸道感染.入院1周后进行肾盂静脉造影以了解肾脏情况,故做泛影葡胺过敏试验.静脉推注30%泛影葡胺试验液1毫升后患儿出现不安心慌腹痛.查体血压24/13.3kPa,面部四肢出现红色小丘疹,心率增至130～180次/min可闻早搏.肢端凉.心电图(肢体导联)显示频
Children 13 years of age, admitted to hospital because of dizziness and palpitations intermittent abdominal pain 3d admitted more than 1 month before admission had acute glomerulonephritis, hypertensive encephalopathy .Physiological examination of blood pressure 15.5 / 8.6 kPa, generally good, no rash without edema, pharynx Red, HR80 beats / min law Qi heart sound, the valve auscultation area did not smell and noise, lung abdomen no abnormalities .After admission, intermittent flu dizziness, palpitation, blood pressure normal .After admission laboratory tests, urine routine, blood electrolyte liver and kidney function Blood T_3, T_4, myocardial enzyme cardiogram chest were normal, diagnosis of upper respiratory tract infection .After admission for renal pelvis and veinography to understand the situation, it is done diatrizoate meglumine hypersensitivity test .30% intravenous bolus meglumine test 1 ml of fluid after the children with anxiety flustered abdominal pain. Examination of blood pressure 24 / 13.3kPa, facial small red rash appears, the heart rate increased to 130 to 180 beats / min can be heard premature beats. Cold extremities. ECG (limb lead) display frequency