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A 25-year-old medical student presents to the clinic with a nonproductive cough, low-grade…

An 82-year-old woman with chronic obstructive pulmonary disease is hospitalized for an acu…

A 56-year-old man presents to the emergency department because of cough, dyspnea, and hemo…

WIN10\WIN11系统桌面同时按下Windows徽标键+X键，然后在弹出的窗口选择磁盘管理 然后在弹出的窗口选择系统盘，然后点击鼠标右键 选择“压缩卷” 然后在弹出的窗口，根据…

A 73-year-old woman presented with a 2-day history of left flank pain. Findings from a phy…

A 24-year-old woman is brought to the emergency department by ambulance after she is found…

A 13-year-old boy is brought to the emergency department with periorbital edema, hypertens…

Pivottablejs是一个通过IPython widgets集成到Python中的JavaScript库，允许用户直接从DataFrame数据创建交互式和灵活的汇总报表。可以进…

A 46-year-old man presents with a three-week history of burning substernal and epigastric …

A 43-year-old man presents to his physician with fatigue. The patient says he is concerned…

pandas常用速查 引入依赖 算法相关依赖 获取数据 生成df 重命名列 增加列 缺失值处理 独热编码 替换值 删除列 数据筛选 差值计算 数据修改 时间格式转换 设置索引列 从…

An infant with severe jaundice that is not corrected by phototherapy is in danger of devel…

本刊这一栏目首先提供一份强调某一常见临床问题的病例摘要。然后提出支持各种策略的证据。如果有正式指南，作者接下来会对其进行综述。文章以作者的临床建议结尾。 一名有慢性阻塞性肺疾病（C…

The following graph is a depiction of the Starling curve showing the relationship between …

A 30-year-old male with recently diagnosed aplastic anemia presented to the emergency depa…

A 20-year-old woman presents to the physician because of a history of bloody diarrhea and …

补钠 1 mmol NaCl = 10% NaCl 0.6 mL 计算过程： NaCl 的分子量是 58.5，所以 1 mol NaCl = 58.5 g，1 mmol NaCl …