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関連する概念動画

Blood Pressure01:30

Blood Pressure

Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the diastolic...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Blood Pressure01:24

Blood Pressure

The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
Hormonal Regulation of Blood Pressure01:17

Hormonal Regulation of Blood Pressure

Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction while...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...

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関連する実験動画

Updated: Jun 27, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
08:43

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

Published on: May 31, 2016

ミネラルコルチコイドによる高血圧

P M Stewart1

  • 1Department of Medicine, Queen Elizabeth Hospital, Edgbaston, Birmingham, UK. p.m.stewart@bham.ac.uk

Lancet (London, England)
|April 28, 1999
PubMed
まとめ

高血圧の可逆的な原因であるミネラルコルチコイド高血圧には,原発性アルドステロン症および珍しい遺伝疾患が含まれています. 低カリウムまたは家族歴を有する高血圧患者の早期スクリーニングは極めて重要です.

科学分野:

  • エンドクリノロジー エンドクリノロジー
  • ネフロロジーはネフロロジーを用います.
  • 心血管医学 心血管医学

背景:

  • 高血圧,低カリウム,およびレニンの抑制によって特徴づけられるミネラルコルチコイド高血圧は,診断不足の状態です.
  • これは高血圧の潜在的に可逆的な原因であり,しばしば本質的な高血圧として誤ってラベル付けされます.
  • 主要アルドステロニズムは最も頻繁な原因ですが,モノジェニックの形態も存在します.

研究 の 目的:

  • ミネラルコルチコイド高血圧が,高血圧の可逆的な原因であることの重要性を強調する.
  • 主要アルドステロニズムサブタイプを区別するための診断アプローチについて議論します.
  • ミネラルコルチコイドによる高血圧に対する臨床的疑念とスクリーニングの必要性を強調する.

主な方法:

  • 診断評価には,プラズマレニン活性とアルドステロン濃度を測定するための制御された姿勢研究が含まれます.
  • 腎上腺画像は,アルドステロン産生性腺腫とイディオパシー性腎上腺増殖を区別するのに役立ちます.
  • 遺伝子分析は,グルココルチコイド抑制性ハイパーアルドステロン症,リドル症候群,および明らかなミネラルコルチコイド過剰などのモノジェニック形態の診断に使用されます.

主要な成果:

  • 制御された姿勢研究とイメージングは,アルドステロン産生性アデノマとイディオパシー性副腎増殖を,ほとんどの原発性アルドステロン症の症例で効果的に区別します.

さらに関連する動画

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
07:36

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice

Published on: September 26, 2018

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension
05:57

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension

Published on: May 17, 2024

関連する実験動画

Last Updated: Jun 27, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
08:43

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

Published on: May 31, 2016

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
07:36

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice

Published on: September 26, 2018

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension
05:57

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension

Published on: May 17, 2024

  • モノジェニックの形態は,ミネラルコルチコイドホルモンの作用についての洞察を提供します.
  • ミネラルコルチコイド型高血圧患者の有意な数は,血清カリウム濃度が正常である.

    • 結論:

    • 原発性アルドステロン症および単一性の形態を含むミネラルコルチコイド高血圧は,すべての高血圧患者の高い疑い指数を必要とします.
    • 低血圧症,重度の高血圧,または高血圧または脳卒中の家族歴を有する高血圧の個人にスクリーニングが推奨されます.
    • 早期発見と管理は,可逆的な血圧制御につながる可能性があります.