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相关概念视频

Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Cardiovascular System Abnormal Findings II: Auscultation01:25

Cardiovascular System Abnormal Findings II: Auscultation

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Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
Gallops:
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Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism
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在非心肌疾病中,左心室透静功能障碍

Otto A Smiseth1, Tom Kai Ming Wang2, Allan L Klein2

  • 1Division of Cardiovascular and Pulmonary Diseases, Institute for Surgical Research, Oslo University Hospital, University of Oslo, Rikshospitalet, PO Box 4950 Nydalen, NO-0424 Oslo, Norway.

European heart journal. Cardiovascular Imaging
|August 22, 2024
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诊断心力衰竭与保存的喷射分数可能是具有挑战性的,由于非心肌疾病. 本综述涵盖肺高血压,电气和心周疾病,以及影响透气功能的膜问题.

关键词:
心房动是心房动的一种.腹痛功能 腹痛功能左捆的分支区块的分支区块.在左心室的左心室.心周压力是心周压力的压力.肺高血压是一种肺高血压.

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科学领域:

  • 心脏病学 心脏病学
  • 心血管医学 心血管医学

背景情况:

  • 通过保留喷射分数 (HFpEF) 诊断心力衰竭存在挑战.
  • 非心肌疾病可以模仿或复杂HFpEF评估.

研究的目的:

  • 审查疑似HFpEF的诊断挑战的非心肌疾病.
  • 为了区分这些疾病与主要的左侧心脏病.

主要方法:

  • 文献综述和有关心血管疾病的讨论.
  • 专注于肺高血压,电力障碍,心周疾病和膜疾病.

主要成果:

  • 前毛细血管肺高血压需要与毛细血管后的原因进行区分.
  • 电力障碍 (例如,左捆分支障碍) 和心房会影响透静功能.
  • 周心脏和膜疾病显著影响左心室透静功能.

结论:

  • 非心肌疾病是HFpEF诊断中的关键考虑因素.
  • 准确的区分对于适当的患者管理和治疗策略至关重要.