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相关概念视频

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

9
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
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Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

12
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
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Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

7
Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
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Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

13
Myocarditis is an inflammatory condition of the myocardium requiring meticulous nursing management for optimal patient outcomes. Effective management begins with a thorough assessment of the patient's medical history, paying close attention to past infections, autoimmune disorders, travel history, and exposure to toxins or drugs. Recent viral infections and systemic diseases are particularly relevant due to their potential role in triggering myocarditis.Physical Examination and MonitoringThe...
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Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

37
The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

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Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
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相关实验视频

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Author Spotlight: Investigating the Pathophysiology of Eosinophilic Esophagitis
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Author Spotlight: Investigating the Pathophysiology of Eosinophilic Esophagitis

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酸性心肌炎:系统性审查

Witina Techasatian1, Maan Gozun1, Kristine Vo1

  • 1Department of Medicine, UH Mānoa JABSOM, Honolulu, Hawaii, USA.

Heart (British Cardiac Society)
|November 14, 2023
PubMed
概括

乙性心肌炎 (EM) 的诊断往往省略了心脏内膜活检 (EMB). 心脏MRI (CMR) 显示出作为替代诊断工具的希望,尽管对EM的治疗共识仍然难以捉摸.

关键词:
磁共振成像技术的使用肌性心肌炎是一种心肌炎.作为主题的系统审查.

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科学领域:

  • 心脏病学 心脏病学
  • 免疫学 免疫学 免疫学
  • 病理学 病理学 病理学

背景情况:

  • 乙性心肌炎 (EM) 是一种罕见但严重的心脏疾病.
  • 指导方针建议进行心脏内膜活检 (EMB) 进行诊断,但在临床实践中经常被忽视.
  • 需要使用替代诊断方法来改善EM检测和管理.

研究的目的:

  • 系统地审查目前对酸性心肌炎 (EM) 的诊断和治疗方法.
  • 评估替代诊断方法的有用性和价值,特别是心脏MRI (CMR),用于诊断EM.
  • 总结EM的治疗策略,强调皮质类固醇治疗方案的变化.

主要方法:

  • 在MEDLINE和EMBASE索引中的同行评审文章的系统审查.
  • 从开始到2022年9月10日,使用关键词"eosinophilic myocarditis"进行搜索.
  • 遵守系统审查和元分析 (PRISMA) 准则的首选报告项目.

主要成果:

  • 包括239篇文章和274个案例;中位数年龄为45岁.
  • 常见的表现包括呼吸障碍 (50%) 和胸痛 (39.4%).
  • 主要原因是异常性 (28.8%) 和带有多叶膜炎的eosinophilic granulomatosis (19.3%);82.4%通过EMB诊断,17.6%通过临床推理/CMR.
  • 被诊断为CMR的患者具有更好的风险概况 (更高的LVEF,需要更少的支持).
  • 葡萄糖皮质类药物是主要治疗方法,剂量各不相同.

结论:

  • 内心肌瘤活检 (EMB) 仍然是诊断eosinophilic心肌炎 (EM) 的黄金标准.
  • 心脏MRI (CMR) 在特定的临床情况下可以作为一种有价值的查工具.
  • 需要进一步的研究,包括大型临床试验,以建立最佳的CMR实用性和EM的皮质类固醇治疗方案.