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関連する概念動画

Deindividuation00:57

Deindividuation

Deindividuation is a form of social influence on an individual’s behavior such that the individual engages in unusual or non-normal behavior while in a group setting. Why? Because in these group settings, the individual no longer sees themselves as an individual anymore, disinhibiting their behavior and personal restraint.
Basal Lamina are the Specialized Form of ECM01:03

Basal Lamina are the Specialized Form of ECM

The basal lamina is a thin extracellular layer that lies underneath the cells and separates them from other tissues. The three layers of the basal lamina are lamina lucida, lamina densa and lamina reticularis. The basal lamina, a mixture of glycoproteins and collagen, provides an attachment site for the epithelium, separating it from underlying connective tissue. The framework of basal lamina has other essential proteins such as laminins mesh, perlecan, entactin, and type IV collagen.
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Cavity Drainage and Flashings in Masonry walls

Typically, a cavity wall consists of two wythes separated by a gap of at least 2 inches, which may contain insulation while still maintaining a minimum clear space of 1 inch to facilitate adequate drainage. Advanced methods like the insertion of a continuous drainage mat can further reduce this space while ensuring effective moisture expulsion.
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Efflorescence in Masonry01:25

Efflorescence in Masonry

Efflorescence in masonry walls appears as a fluffy crystalline powder, often white, resulting from water-soluble salts within the masonry or mortar. When water penetrates the masonry, it dissolves these salts and brings them to the surface, where they are deposited upon evaporation of water.
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Bleeding in Fresh Concrete01:22

Bleeding in Fresh Concrete

Bleeding in fresh concrete occurs when water from the mix rises to the surface. This happens because the mix's solid components fail to retain all the water as they settle, leading to separation where water collects at the top. The severity of bleeding can be measured by assessing the total settlement or by noting the decrease in height per unit height of concrete.
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ミトラル弁の転落

Emil Hayek1, Christian N Gring, Brian P Griffin

  • 1Akron General Hospital, Akron, OH, USA.

Lancet (London, England)
|February 12, 2005
PubMed
まとめ

ミトラル弁の転落は一般的で,通常は良性ですが,重度の合併症を引き起こすことがあります. エコーカルディオグラフィは,診断,リスクの階層化,および症状のある症例の外科的修復を導くための鍵です.

科学分野:

  • 心臓病学 心臓病学
  • バルブ性心疾患 バルブ性心疾患 バルブ性心疾患 バルブ性心疾患
  • エコーカルディオグラフィー エコーカルディオグラフィー

背景:

  • ミトラ弁の転落 (MVP) は,頻繁に起こる弁の異常である.
  • これは,米国における重度の非発血性ミトラル吐の主要な原因です.
  • 予後は一般的に優れているが,内臓炎や突然の心臓死などの重篤な合併症に直面する割合は少ない.

研究 の 目的:

  • mitra valve prolapseの包括的なレビューを提供するために.
  • 正常なミトラアボトミー,臨床/エコーカルディオグラフィの特徴,病理生理学,遺伝学を検査する.
  • 非症状および症状性転倒の両方の現代の管理戦略について議論し,外科的修復に焦点を当てます.

主な方法:

  • ミトラル弁の転落に関する現在の知識の文献レビューと合成.
  • 診断基準の分析とリスク層分化の方法.
  • ミトラル弁の修復のための外科的技法とタイミングの評価.

主要な成果:

  • エコーカルディオグラフィは,ミトラル弁の転落を診断するための黄金基準です.
  • 特定の臨床およびエコーカルジオグラフィの特徴により,高リスクの患者を特定することができます.

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  • ミトラル弁の修復は,症状性転倒の好ましい治療法です.
  • 結論:

    • ミトラル弁の転落の診断とリスク評価は,エコーカルディオグラフィーによって最もよく達成されます.
    • 高リスクの個人を早期に特定することは,深刻な合併症を予防するために非常に重要です.
    • 手術による修復は,症状のあるミトラル弁の転落に対する最適な治療法です.