Shock, bradycardia and irregular breathing are important predictive signs, and severe malaria with respiratory distress is a common cause of hypoxaemia.
休克、心动过缓和呼吸不规则是重要的预示性症状，伴有呼吸窘迫的严重疟疾是低血氧症的常见原因。
We used the data collected over the first three years to derive signs predictive of hypoxaemia, and data from the fourth year to validate those signs.
依照前三年收集的数据获得低血氧症的预示症状，采用第四年的数据对这些症状进行验证。
Objectives: to develop a predictive model for pulmonary embolism based on clinical symptoms, signs, and the interpretation of the electrocardiogram.
目的：在临床症状、影像和心电图表现的基础上开发一个肺栓塞的预测模型。
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