Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

2.1K
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
2.1K
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

943
The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
943
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

495
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
495
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

522
IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
522
Angina I: Introduction01:30

Angina I: Introduction

808
Definition and Symptoms: Angina (angina pectoris) is chest pain or discomfort caused by myocardial ischemia, which occurs when the heart muscle receives insufficient oxygen-rich blood. It typically manifests as pressing, squeezing, or crushing sensations in the chest and may radiate to the shoulders, arms, neck, jaw, or back.Primary Cause: In a healthy state, the coronary arteries can dilate (widen) to increase blood flow and meet the increased oxygen demand during physical activity or...
808
Angina V: Nursing Management01:20

Angina V: Nursing Management

565
Angina, a symptom of myocardial ischemia, requires a structured nursing management approach to ensure effective care and prevent complications like myocardial infarction. Comprehensive nursing care involves assessing, diagnosing, planning, implementing interventions, and evaluating outcomes, all tailored to the individual patient's needs.Patient AssessmentNursing assessment begins with a detailed subjective evaluation of symptoms, which typically include chest pain or pressure radiating to the...
565

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Incubation strategy and hatching start time affect the duration of the nestling period in precocial Arctic-breeding sandpipers.

Biology letters·2026
Same author

The collective application of shorebird tracking data to conservation.

Conservation biology : the journal of the Society for Conservation Biology·2026
Same author

Influences of persistent organic pollutant exposure and ambient air temperature on reproduction in an Arctic-nesting shorebird.

Environmental research·2026
Same author

A circumpolar study unveils a positive non-linear effect of temperature on arctic arthropod availability that may reduce the risk of warming-induced trophic mismatch for breeding shorebirds.

Global change biology·2024
Same author

Why do avian responses to change in Arctic green-up vary?

Global change biology·2024
Same author

Astringency and its sub-qualities: a review of astringency mechanisms and methods for measuring saliva lubrication.

Chemical senses·2024

相关实验视频

Updated: May 3, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
12:03

Myocardial Infarction and Functional Outcome Assessment in Pigs

Published on: April 25, 2014

31.4K

在前部和下部没有并发症的急性心肌梗塞中,交感驱动.

Lee N Graham1, Paul A Smith, Robert J Huggett

  • 1Department of Cardiology, St James's University Hospital, Beckett Street, Leeds, UK. lee@graham93.fsnet.co.uk

Circulation
|May 1, 2004
PubMed
概括

在急性心肌梗塞 (AMI) 之后的交感神经过活性类似于前部AMI (反AMI) 和下部AMI (inf-AMI). 这表明,同情性过度活动并不是反AMI患者结果更差的主要原因.

更多相关视频

Intracoronary Acetylcholine Provocation Testing for Assessment of Coronary Vasomotor Disorders
06:39

Intracoronary Acetylcholine Provocation Testing for Assessment of Coronary Vasomotor Disorders

Published on: August 18, 2016

16.4K
A Modified Simple Method for Induction of Myocardial Infarction in Mice
04:29

A Modified Simple Method for Induction of Myocardial Infarction in Mice

Published on: December 3, 2021

4.1K

相关实验视频

Last Updated: May 3, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
12:03

Myocardial Infarction and Functional Outcome Assessment in Pigs

Published on: April 25, 2014

31.4K
Intracoronary Acetylcholine Provocation Testing for Assessment of Coronary Vasomotor Disorders
06:39

Intracoronary Acetylcholine Provocation Testing for Assessment of Coronary Vasomotor Disorders

Published on: August 18, 2016

16.4K
A Modified Simple Method for Induction of Myocardial Infarction in Mice
04:29

A Modified Simple Method for Induction of Myocardial Infarction in Mice

Published on: December 3, 2021

4.1K

科学领域:

  • 心脏病学 心脏病学
  • 神经科学是一个神经科学.
  • 身体生理学 身体生理学

背景情况:

  • 急性心肌梗塞 (AMI) 后的交感神经系统激活与增加的发病率和死亡率有关.
  • 前部AMI (ant-AMI) 的预后比下部AMI (inf-AMI) 更糟糕.

研究的目的:

  • 调查是否同情性多动度的程度在抗AMI和内AMI之间有所不同.
  • 探索抗AMI和低AMI之间预后差异的潜在原因.

主要方法:

  • 对比肌肉交感神经活动 (MSNA) 在没有并发症的抗AMI和infAMI患者中.
  • 使用多单元爆发 (MSNA) 和单个单元 (s-MSNA) 的量化MSNA.
  • 匹配了AMI组,并将它们与正常对照 (NC) 进行血液动力学变量,心脏功能和心脏病发作大小的比较.

主要成果:

  • 抗AMI和inf-AMI组的交感神经活动明显高于正常对照组 (P<0.01).
  • 同情性过活性的程度在抗AMI和inf-AMI组之间是相似的 (P>0.05).
  • 在前部和下部AMI组中,休息时MSNA升高.

结论:

  • 急性心肌梗塞,无论位置 (前部或下部),导致同等水平的交感神经过活.
  • 在前部AMI后观察到的更糟糕的预后不太可能主要是由相比较于劣质AMI的更高程度的交感性过度活动驱动的.