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相关概念视频

Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

258
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
258
Assessment of Ventilation I: Respiratory Rate01:20

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Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
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Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

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Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
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Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

323
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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相关实验视频

Updated: Jun 28, 2025

Comprehensive Echocardiographic Assessment of Right Ventricle Function in a Rat Model of Pulmonary Arterial Hypertension
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右心室"泡时间"用于识别患有右心室功能障碍的患者.

Allison Cohen1, Timmy Li1, Nicholas Bielawa2

  • 1Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY; Department of Emergency Medicine, North Shore University Hospital, Manhasset, NY.

Annals of emergency medicine
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PubMed
概括

右心室 (RV) 泡时间是一种新的心声回声学方法,可以准确地识别急诊室的RV功能障碍. 40秒或更长的RV泡泡时间表明功能障碍,有助于快速诊断.

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Last Updated: Jun 28, 2025

Comprehensive Echocardiographic Assessment of Right Ventricle Function in a Rat Model of Pulmonary Arterial Hypertension
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科学领域:

  • 心脏病学 心脏病学
  • 紧急医疗 紧急医疗
  • 诊断成像 诊断成像 诊断成像

背景情况:

  • 右心室 (RV) 功能障碍是一种需要及时诊断的关键状况.
  • 目前在急诊室 (ED) 诊断RV功能障碍的诊断方法可能耗时.
  • 需要对RV功能障碍进行快速,准确的床边测试.

研究的目的:

  • 评估一种用于评估RV功能障碍的新方法,使用ED中的RV"泡时间".
  • 确定RV泡时间的最佳切断值,以区分具有和没有RV功能障碍的患者.
  • 报告RV泡时间的诊断测试特征.

主要方法:

  • 潜在的诊断准确性研究涉及血液动力学稳定的ED患者.
  • 床边回声心脏学测量RV泡泡时间后盐溶液冲洗.
  • 黄金标准:在36小时内进行全面的心脏病学家解释的回声心脏图,以评估RV应变或扩大.

主要成果:

  • 纳入了196名患者;69人 (35.2%) 患有VR功能障碍.
  • 在RV功能障碍患者中,RV泡时间的中位数为62秒 (IQR:52-93),而在没有 (P<.0001) 的患者中为21秒 (IQR:12-32).
  • 最佳切断点:RV泡时间≥40秒,对RV功能障碍显示97%的灵敏度和87%的特异性.

结论:

  • 在ED患者中,RV泡时间≥40秒对于检测RV功能障碍非常敏感.
  • RV泡泡时间<40秒是特定的,用于识别没有RV功能障碍的患者.
  • 需要在更广泛的患者群体和非专业的超声波医生进行进一步的研究.