男，65岁。发热，咳嗽4天，查体：T39℃，口唇发绀，双下肺可闻及湿啰音，既往体健，否认肺部疾病病史，SPO285%，肺部X线片示双下肺感染，可作为经验性抗感染治疗首选的药物是 （1）正确选项（A）：患者发热，咳嗽，X线片示双下肺感染，考虑诊断为肺炎。社区常见的致病菌有：肺炎链球菌，铜绿假单胞菌。故经验性抗感染首选青霉素或第三代头孢菌素 （2）错误选项（B）：医院获得性肺炎常用二、三代头孢菌素、β ...

Antigen tests check for current COVID-19 infection and give results in 15 to 30 minutes. Antibody tests show if you've had a past infection or vaccination, but not an active infection. Antigen tests ...

Egypt face Iran in Seattle on Friday night in their final Group G game, as they look to qualify for the knockout stages of a World Cup for the first time ever. As it stands, Egypt are in full control ...

Check out the full game highlights between Ecuador and Germany in the 2026 FIFA World Cup™. Announced by Ian Darke and Landon Donovan. JUNE 25・FIFA Men's World Cup・4:32 ...

Valacyclovir may be easier to take than acyclovir because of its simpler dosing schedule. Both acyclovir and valacyclovir can help treat cold sores, shingles, and genital herpes if taken early during ...

Lionel Messi dazzled once again as Argentina beat Austria 2-0 in Dallas on Monday, as the legendary forward became the all-time leading goalscorer in World Cup history as he led Argentina into the ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

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Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched his own financial advisory firm in 2018. Thomas' experience gives him expertise in a ...

It’s starting to look like the Asus ROG Ally and Valve’s Steam Deck will be battling it out in the handheld PC gaming space for the foreseeable future. The comparisons were inevitable and seemingly ...

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Leeron is a New York-based writer who specializes in covering technology for small and mid-sized businesses. Her work has been featured in publications including Bankrate, Quartz, the Village Voice, ...