Public Shared Medical Q&A
This directory keeps different languages in one shared archive so search engines can discover the mixed-language corpus together. The filter below is only for browsing convenience.
Ngoại tâm thu nhịp đôi nghe tim
một ngoại tâm thu nhịp đôi. Khoảng cách giữa 2 cái QRSnó khá đều nhau thì có thể khó khăn khi nghe tim không
## Kết luận **Có.** Khi ngoại tâm thu thất (Premature Ventricular Contraction, PVC) xuất hiện dưới dạng **nhịp đôi (bigeminy)** với khoảng cách giữa các phức bộ QRS tương đối đều, việc phát hiện bằng nghe tim (auscultation) có thể **khó khăn hơn đáng kể**,...
Social Phobia Treatment Methods
How to Overcome Social Phobia
# How to Overcome Social Phobia (Social Anxiety Disorder) ## Understanding Social Anxiety Disorder Social anxiety disorder (SAD) is characterized by intense, persistent fear of being scrutinized or evaluated negatively by others. Patients anticipate ridicul...
Vaginismus Causes
Why does "vaginismus" occur in the female genital area?
## Etiology of Vaginismus Vaginismus is a complex, multifactorial condition characterized by involuntary contraction of the pelvic floor musculature—primarily the pubococcygeus (PC) muscle group—surrounding the vaginal introitus, rendering penetration painf...
Phác đồ điều trị tăng huyết áp
phác đồ điều trị tăng huyết áp độ I,II,III
**Kết luận ngắn gọn:** Điều trị tăng huyết áp (THA) độ I, II, III theo khuyến cáo 2025 dựa trên nguyên tắc phân tầng nguy cơ tim mạch (PREVENT ≥7,5%) kết hợp lối sống, khởi trị đơn trị liệu cho độ I và phối hợp thuốc cho độ II/III, với mục tiêu huyết áp <13...
Jaw Joint Dysfunction Symptoms
Symptoms: left jaw joint stuck , jaw joint clicking and noisy sensation and sounds from left jaw joint. What is the diagnosis and treatment
The following answer is an LLM fallback response (no citable retrieval evidence was found). --- ## Diagnosis Based on the symptoms described — **left jaw joint "stuck" (locking), clicking, and noisy/grating sensation** — the most likely diagnosis is **tempo...
AAV基因治疗TMA机制
腺相关病毒载体（AAV）基因治疗，除疗效外，在安全性方面容易出现危险的血栓性微血管病（TMA），可能是什么机制
## AAV基因治疗相关血栓性微血管病（TMA）的机制 ### 概述 血栓性微血管病（Thrombotic Microangiopathy, TMA）是AAV基因治疗中已明确的一种严重血液学急症，其临床表现类似于非典型溶血性尿毒症综合征（aHUS），特征为急性血小板减少、微血管病性溶血性贫血和急性肾损伤，通常在治疗后2周内出现[1]。 ### 核心机制：补体系统过度激活 现有证据表明，AAV基因治疗相关TMA的核心发病机制是**补体系统的过度激活**[1][3]。具体机制涉及以下环节： 1. **高剂量AAV...
基因治疗罕见病应用
目前基因治疗能用于哪些罕见病？
## 基因治疗在罕见病中的应用现状 根据检索到的文献，基因治疗（Gene Therapy）已获批用于多种罕见遗传性疾病，但整体覆盖范围仍有限——全球约95%的罕见病尚无获批的治疗方案[8]。 ### 已获批的基因治疗药物及适应证 | 药物名称 | 适应证 | 获批机构/年份 | 治疗策略 | |---------|--------|-------------|---------| | **Zolgensma®** (Onasemnogene abeparvovec) | 脊髓性肌萎缩症 (Spinal Mus...
Dapagliflozin và eGFR < 30
Ở bệnh nhân HFrEF bắt đầu “bộ 4 nền tảng”, dapagliflozin có còn được khuyến nghị khi eGFR < 30 ml/phút/1,73m² không?
## Kết luận **Có, dapagliflozin vẫn được khuyến nghị sử dụng ở bệnh nhân HFrEF có eGFR < 30 ml/phút/1,73m², với lưu ý về giới hạn khởi trị và theo dõi chặt chẽ.** --- ## Bằng chứng lâm sàng và khuyến nghị ### 1. Giới hạn eGFR cho phép khởi trị Theo các tài...
心内科顽固性高血压PBL案例
帮我设计一个心内科顽固性高血压的PBL学习案例。
以下内容为 LLM 兜底回答（未检索到可引用文献证据）。 --- ## 心内科顽固性高血压 PBL 学习案例设计 ### 案例标题 **“降压药越吃越多，血压为何居高不下？”——一例顽固性高血压的临床推理** --- ### 第一部分：案例呈现（触发阶段） **患者基本信息**： - 姓名：张某某，男性，58岁 - 主诉：发现血压升高15年，近3个月血压控制不佳，波动于160-180/95-110 mmHg **现病史**： 患者15年前体检发现血压升高（150/95 mmHg），诊断为原发性高血压。先后服用...
肝硬化患者退热药物选择
肝硬化患者退热药物，如何选择
对于肝硬化患者的退热药物选择，核心原则是**优先使用对乙酰氨基酚，并严格规避非甾体抗炎药（NSAIDs）**，同时根据肝功能分级进行剂量调整。 ### 结论 肝硬化患者退热，首选**对乙酰氨基酚**，但需根据肝功能进行剂量减量；**应避免使用或慎用非甾体抗炎药（NSAIDs）**，因其增加胃肠道出血和肾损伤风险。 --- ### 退热药物选择与剂量调整 根据检索到的指南与文献，具体推荐如下： | 药物类别 | 具体药物 | 推荐意见与剂量调整 | 证据来源 | | :--- | :--- | :--- | :...
Impella 临床试验方案
impella在中国做一个类似dangershock的临床试验方案 具体的方法
## 结论 在中国开展类似DanGer Shock的临床试验，需严格遵循随机对照试验（RCT）设计，核心在于精准定义STEMI-CS患者入排标准（乳酸≥2.5 mmol/L、LVEF<45%、排除院外心脏骤停昏迷及机械并发症），并采用Impella CP联合标准治疗对比标准治疗，主要终点为180天全因死亡率。 --- ## 研究设计框架 ### 1. 研究类型与设计 | 项目 | 方案 | |------|------| | **研究类型** | 前瞻性、多中心、随机（1:1）、开放标签、优效性临床试验 |...
Evolving Treatment Paradigms in HR+/HER2- MBC
What is evolving Treatment Paradigms in Hormone Receptor–Positive, Human Epidermal Growth Factor 2–Negative Metastatic Breast Cancer
**Conclusion**: The treatment paradigm for HR+/HER2- MBC is evolving from a uniform CDK4/6i + ET backbone toward a biomarker-informed, multi-line sequencing strategy incorporating next-generation endocrine agents (e.g., elacestrant), PI3K/AKT pathway inhibi...
Breast Cancer Treatment Decisions
Navigating Treatment Decisions in Early-Stage Hormone Receptor–Positive Breast Cancer: What Are the Latest Developments in This Field?
## Conclusion The management of early-stage HR+/HER2− breast cancer is evolving from a predominantly endocrine-based paradigm toward a risk-adapted, biomarker-informed strategy, with the recent approval of adjuvant CDK4/6 inhibitor abemaciclib for high-risk...
Orthostatic Hypertension Causes
What causes the significant difference in blood pressure between standing and lying positions in patients with hypertension?
The significant difference in blood pressure (BP) between standing and lying positions in patients with hypertension is a manifestation of BP dysregulation, encompassing both orthostatic hypotension (OH) and orthostatic hypertension (OHT). The underlying me...
Persistent Cough Differential Diagnosis
What diseases need to be considered in the differential diagnosis of a persistent cough lasting 8 weeks in an adult?
**Conclusion**: The differential diagnosis for chronic cough (>8 weeks) in adults is broad, but the most common etiologies are upper airway cough syndrome (UACS), cough-variant asthma (CVA), non-asthmatic eosinophilic bronchitis (NAEB), and gastroesophageal...
胸闷纳差急诊评估
患者因胸闷、纳差 2 天于上海某院急诊。两天前天气变化后出现胸闷、纳差。无明显发热等不适。体格检查神志清，一般情况可，呼吸略急促，口唇无紫绀，两肺呼吸音粗，未吸氧下指脉氧饱和度 90-93 %，心率 75-80 次/分，律不齐。 初步诊断为肺动脉高压、胸主动脉夹层术后、心功能不全、肺气肿、肝硬化可能。予以鼻导管吸氧、阿奇霉素 0.5 克静脉滴注每天一次...
根据患者病史（胸闷、纳差2天，既往胸主动脉夹层术后、肺动脉高压、肝硬化可能）及突发心脏骤停的临床表现（神志不清、点头样呼吸、心率30次/分、双侧瞳孔散大固定、血压及血氧饱和度测不出），结合检索到的文献证据，该患者心脏骤停的病因需优先考虑以下可能性。 ## 诊断分析 ### 1. 急性大面积肺栓塞 (Massive Pulmonary Embolism, PE) 这是最需要优先排查的病因。 - **支持证据**： - **临床表现**：患者既往有肺动脉高压病史，突发心脏骤停，初始心律为严重心动过缓（心率30次/...
(右侧鼻腔)肉芽肿型毛细血管瘤病理
(右侧鼻腔)粘膜及肉芽组织慢性炎，间质内血管丰富，簇状分布，考虑肉芽肿型毛细血管瘤。 IHC(PI26-0827)W-25026596:P63(-),B-catenin(细胞膜+),S100(-),CD68-OV(少量+),Ki67(5%+),CD34(+),SMA(+),CKpan(-),F8(部分+),FOSB(少量+)。 象这样的病理结果，主要是...
根据您提供的病理结果（右侧鼻腔粘膜慢性炎伴血管丰富、簇状分布，免疫组化示CD34(+)、SMA(+)、F8(部分+)、Ki67(5%+)，符合肉芽肿型毛细血管瘤，即化脓性肉芽肿/分叶状毛细血管瘤），其核心治疗方案如下。 ## 核心治疗方案 **首选方案：完整手术切除** 手术切除是肉芽肿型毛细血管瘤（化脓性肉芽肿）的标准治疗方式，旨在完整去除病灶并降低复发风险。 - **术式选择**：对于鼻腔内病变，通常采用**经鼻内镜下完整切除**。该术式视野清晰，可精准切除病灶基底部，同时保留正常鼻腔黏膜结构。 - **...
Radiofrequency Ablation Saphenous Vein
Why must radiofrequency ablation (RFA) of the great saphenous vein be strictly confined to the saphenous compartment above the knee?
## Clinical Evidence & Efficacy The requirement to confine radiofrequency ablation (RFA) of the great saphenous vein (GSV) to the above-knee (AK) segment is primarily driven by **anatomic safety considerations** rather than efficacy concerns. The 2023 Socie...
Abnormal Weight Gain 2024
A 31-year-old female experienced abnormal weight gain in 2024 and was found to have fatty liver and elevated cholesterol levels; how should lipid-lowering therapy be managed?
**Conclusion**: For this 31-year-old female with fatty liver and elevated cholesterol, the primary management strategy should be lifestyle modification as first-line therapy, with statin therapy considered if LDL-C remains elevated after 3–6 months of lifes...
Paraquat Poisoning Treatment
In early paraquat poisoning, can high-dose combination treatment reduce the risk of pulmonary fibrosis?
**Conclusion:** In early paraquat poisoning, high-dose combination therapy with glucocorticoids and cyclophosphamide may reduce mortality in moderate-to-severe cases, but the evidence for a specific reduction in pulmonary fibrosis risk is inconsistent and n...
血象照片疾病分析
Prescription review: 请观察这张血象照片，分析可能的疾病
我无法直接观察或分析您提供的血象照片，因为当前对话中没有包含任何图像文件。请重新上传血象照片，我将基于检索到的血液学诊断标准为您提供专业分析。 --- ### 进一步诊断建议（仅供参考） 为进行准确的血象分析，请提供以下信息： - **血象照片**：清晰的血涂片显微图像（建议标注放大倍数和染色方法） - **临床背景**：患者年龄、主要症状（如发热、贫血、出血倾向等）、既往病史 - **血常规数据**：WBC、RBC、Hb、PLT计数及分类计数（如有）
双电位抗体骨髓瘤临床试验
2024年之后，关于双电位抗体（双特异性抗体）在支架难治性多发性骨髓瘤中的最新临床试验数据及获批适应症汇总
## 双特异性抗体在复发/难治性多发性骨髓瘤中的最新证据与获批适应症汇总（2024年至今） **核心结论**：截至2025年，FDA已批准三种双特异性抗体（BsAb）用于治疗复发/难治性多发性骨髓瘤（RRMM）——teclistamab（BCMA×CD3）、elranatamab（BCMA×CD3）和talquetamab（GPRC5D×CD3），均基于II期单臂试验的加速批准路径。2024年后的新证据主要集中在联合治疗策略（如与pomalidomide/dexamethasone联用）以及感染谱的系统性分析...
免疫低下动脉粥样硬化性心血管病用药禁忌
免疫低下动脉粥样硬化性心血管病用药禁忌？
## 结论 免疫低下合并动脉粥样硬化性心血管病（ASCVD）患者用药需高度警惕：部分药物（如糖皮质激素、非甾体抗炎药）虽用于免疫抑制治疗，却可能加重ASCVD风险；而部分免疫抑制剂（如羟氯喹、抗IL-1β抗体）则可能带来心血管获益，需根据具体药物进行个体化风险-获益评估。 --- ## 免疫低下合并ASCVD的用药风险与禁忌核查 ### 1. 可能加重ASCVD风险的药物 检索到的证据明确指出，以下药物在用于免疫低下患者时，对ASCVD具有潜在不良影响[1][2]： | 药物类别 | 对ASCVD的影响机制...
醋酸泼尼松用药与免疫力恢复
请问醋酸泼尼松吃了9天一共，（先是每天6片连续三天，然后后面554321片减量6天，所以一共九天。）按照临床经验，请问免疫力什么时候可以恢复
根据检索到的循证证据，针对您描述的醋酸泼尼松短程（9天）治疗方案，免疫功能恢复时间分析如下： ## 1. 免疫抑制程度的界定 检索到的《General Best Practice Guidelines for Immunization》明确指出，判断糖皮质激素是否具有临床意义的免疫抑制效应，其标准为：**等效泼尼松剂量 ≥20 mg/日（或体重≥10 kg者≥2 mg/kg/日），且连续使用≥14天**[3]。 您的用药方案： - 起始剂量：30 mg/日（6片×5 mg/片），连续3天 - 后续减量：25...
左肺上叶炎症解读
患者女，女，56岁，咳嗽咳痰1周。咳白色痰，偶有少量黄痰。无发热。1周前查胸部CT示:左肺上叶炎症，血常规正常，口服药物治疗后。今复查结果:胸部CT示左肺上叶炎症。血常规+C反应蛋白正常。怎样解读？病理生理机制？根据指南及顶级三甲医院呼吸内科经验给予可操作的治疗方案，具体措施，医嘱
根据您提供的临床资料（56岁女性，咳嗽咳痰1周，影像学提示左肺上叶炎症，但血常规及C反应蛋白均正常），结合检索到的指南证据，现进行专业解读并提供治疗方案。 ## 临床解读与病理生理机制 ### 1. 当前状态解读 **核心结论**：患者目前处于**社区获得性肺炎 (Community-acquired Pneumonia, CAP) 的临床稳定期**，但影像学上仍存在**残留炎症**。 - **血常规+CRP正常**：这强烈提示**急性感染已得到控制**。CRP是急性期反应蛋白，其正常化是感染消退的重要标志。...