无痛型心肌梗塞发生率为22%，不典型症状发生率为77%。
The incidence of painless and untypical symptom in patients with AMI were 22% and 77% respectively.
癫痫是一种很常见的疾病，癫痫的症状表现不一，主要是抽搐，但该病还有一些不典型症状。
Epilepsy is a very common disease, different symptoms of epilepsy, mainly seizures, but there are not typical symptoms of the disease.
结果老年组中高血压、糖尿病、不典型症状、严重心律失常、休克、接受保守治疗均高于非老年组（P<0.05）。
Results The morbidity of hypertension, diabetes mellitus , atypical symptom MI, severe arrhythmia and shock were higher in senile group(P< 0.05).
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