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相关概念视频

Disorders of the Autonomic Nervous System01:18

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The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
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Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

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The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
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Cardiovascular System Abnormal Findings I: Inspection and Palpation01:29

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In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
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Measurement of Blood Pressure01:17

Measurement of Blood Pressure

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Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

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Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
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Decreased pulse rate01:14

Decreased pulse rate

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Bradycardia is a medical condition in which the heart rate is slower than normal. It occurs when the heart's natural pacemaker, the sinus node, generates slower electrical impulses than the standard rhythm. In adults, bradycardia is diagnosed when the pulse rate falls below 60 beats per minute, indicating a deviation from the normal heart rate range.
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Ankle-brachial index measurement: Skill cannot be taken for granted. Comment on Chaudru et al, p. 37-41 and Monti et al, p. 43-48.

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Inflammatory diseases of the aorta.

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相关实验视频

Updated: May 21, 2025

Author Spotlight: A Pharmacodissection Approach to Uncover Mechanisms in Cardiovascular Disease Risk Populations
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[更新雷诺现象] 这是什么?

Ludwig Caspary1

  • 1Angiologische Praxis, Hannover, Deutschland.

Deutsche medizinische Wochenschrift (1946)
|May 19, 2025
PubMed
概括
此摘要是机器生成的。

雷诺是一个雷诺.

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Cooling or Warming the Esophagus to Reduce Esophageal Injury During Left Atrial Ablation in the Treatment of Atrial Fibrillation
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科学领域:

  • 血管医学 血管医学
  • 类风湿病学 类风湿病学
  • 皮肤病学 皮肤病学

背景情况:

  • 雷诺现象 (RP) 受体重变化的影响,并与抑郁症和焦虑症等心理状况相关.
  • 虽然RP通常具有最小的社会经济影响,但由于严重的数字并发症,它可能导致系统性硬化症 (SSc) 患者的严重残疾.
  • 早期识别潜在条件,特别是SSc,对于有效管理RP至关重要.

研究的目的:

  • 审查和突出雷诺现象的新方面.
  • 讨论诊断工具及其在识别SSc.等潜在原因方面的局限性.
  • 总结当前和新兴的严重RP治疗策略,特别是在SSc.的背景下.

主要方法:

  • 关于雷诺现象的最新研究和临床观察的文献综述.
  • 分析诊断方式,包括毛细管镜检查,抗体检测和临床症状.
  • 对RP和SSc.的药理和非药理治疗选择的评估.

主要成果:

  • 减肥可以引发RP;抑郁和焦虑是常见的并发症.
  • 毛细管显微镜对于检测SSc是有价值的,但病理发现需要用抗体和临床迹象进行验证.
  • 严重的RP的有效治疗方法,通常与SSc相关,包括前列腺类药物,Bosentan和潜在的Botulinum-A,自主脂肪移植作为一种新的方法.

结论:

  • 雷诺现象具有多方面的触发因素和关联,需要仔细诊断.
  • 系统性硬化症显著增加了RP患者的残疾风险.
  • 治疗严重的RP正在发展,正在研究像干细胞移植这样的新疗法,同时承认在管理中具有显著的安慰剂效应.