関連する実験動画

Updated: Jun 23, 2026

Echocardiographic Approaches and Protocols for Comprehensive Phenotypic Characterization of Valvular Heart Disease in Mice

Echocardiographic Approaches and Protocols for Comprehensive Phenotypic Characterization of Valvular Heart Disease in Mice

Published on: February 14, 2017

二大動脈弁:知識のギャップを特定し,国際二大動脈弁コンソーシアム (BAVCon) の課題に応える

Hector I Michelena¹, Siddharth K Prakash², Alessandro Della Corte²

¹From the Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN (H.I.M., N.A., M.E.-S.); Division of Medical Genetics; Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX (S.K.P., D.M.M.); Department of Cardiothoracic Sciences, Second University of Naples, Naples, Italy (A.D.C.); Department of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, United Kingdom (M.M.B.); Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, Québec, Canada (P.M., Y.B., P.P.); Cardiologia SUN, Monaldi Hospital, Naples, Italy (G.L.); Cardiology Division, "Cava de' Tirreni and Amalfi Coast" Hospital, Heart Department, University of Salerno, Italy (E.B.); Children's Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee, WI (D.W.B.); University Hospital of Liège, GIGA Cardiovascular Sciences, CHU Sart Tilman, Liège, Belgium (P.L.); Heart Center and Thoracic Aortic Center, Massachusetts General Hospital, Boston, MA (E.M.I.); Division of Cardiac Surgery and Corrigan Minehan Heart Center, Massachusetts General Hospital, Boston, MA (T.M.S.); Servei de Cardiologia, Hospital Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain (A.E.); and Dept of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (S.C.B.). michelena.hector@mayo.edu.

|June 25, 2014

まとめ

No abstract available in PubMed .

キーワード:

大動脈動脈瘤,胸腔動脈瘤大動脈弁の狭窄症候群である.大動脈弁,双弁心臓の欠陥,先天性障害など.

さらに関連する動画

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

Published on: April 9, 2019

An Ex Vivo Porcine Model for Hydrodynamic Testing of Experimental Aortic Valve Procedures and Novel Medical Devices

An Ex Vivo Porcine Model for Hydrodynamic Testing of Experimental Aortic Valve Procedures and Novel Medical Devices

Published on: August 25, 2023

関連する概念動画

Heart Valves

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...

Mitral Valve Prolapse I: Introduction

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...

Mitral Valve Prolapse II: Assessment and Management

Mitral Valve Prolapse II: Assessment and Management

IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.

Mitral Stenosis I: Introduction

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...

Aortic Regurgitation I: Introduction

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...