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Related Concept Videos

Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

39
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...
39
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

30
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...
30
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

32
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
32
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

37
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...
37
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

49
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
49
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

50
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...
50

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Updated: Sep 4, 2025

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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Prolapsing Left Atrial Mass Presenting as Syncope.

Presheet Pathare1, Michael Weyand1, Christian Heim1

  • 1Department of Cardiac Surgery, Friedrich Alexander University of Erlangen-Nuremberg, Erlangen, Germany.

The Thoracic and Cardiovascular Surgeon Reports
|July 22, 2022
PubMed
Summary
This summary is machine-generated.

A large left atrial myxoma can cause syncope, a sudden loss of consciousness. Prompt diagnosis using non-invasive imaging is crucial for evaluating cardiac causes of fainting.

Keywords:
myxomaneurological symptomtumor, cardiac imaging

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Area of Science:

  • Cardiology
  • Oncology

Background:

  • Myxomas are the most common primary cardiac tumors in adults.
  • Left atrial location is most frequent, often asymptomatic or presenting with heart failure symptoms.

Observation:

  • This case report details syncope caused by a large left atrial myxoma.
  • The tumor's size and location contributed to the patient's symptoms.

Findings:

  • Atrial myxomas can precipitate transient loss of consciousness.
  • Prolapse through atrioventricular valves or embolization are potential mechanisms.

Implications:

  • Cardiogenic syncope necessitates thorough evaluation for cardiac tumors.
  • Non-invasive tools like echocardiography and CT are vital for diagnosis.