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Related Concept Videos

Mitral Stenosis I: Introduction01:22

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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...
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Mitral Valve Prolapse I: Introduction01:27

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

Mitral Stenosis II: Clinical features and Diagnostic Tests

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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...
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Mitral Regurgitation I: Introduction01:20

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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...
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Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Mitral Valve Prolapse II: Assessment and Management01:22

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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...
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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
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Cardiac pseudoaneurysm caused by mitral ring calcification.

H Kiguchi1, T Ishii1, S Masuda1

  • 1Department of Pathology, Hachioji Medical Center, Tokyo Medical College, Hachioji-City, Tokyo, Japan.

Cardiovascular Pathology : the Official Journal of the Society for Cardiovascular Pathology
|May 21, 2015
PubMed
Summary
This summary is machine-generated.

Mitral ring calcification can cause left ventricular pseudoaneurysms, leading to cardiac rupture. This case highlights the critical need for monitoring calcification progression to prevent potentially fatal complications.

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Pathology

Background:

  • Mitral ring calcification (MRC) is a degenerative condition affecting the heart's mitral valve annulus.
  • Left ventricular pseudoaneurysms are rare but life-threatening cardiac abnormalities.

Purpose of the Study:

  • To report a unique case of left ventricular pseudoaneurysm formation secondary to mitral ring calcification.
  • To discuss the clinical presentation, diagnosis, and management of this rare complication.

Main Methods:

  • Diagnosis of MRC using two-dimensional echocardiography.
  • Identification of posterior wall rupture and pseudoaneurysm formation.
  • Surgical intervention including mitral valve replacement and myocardial wall reconstruction.

Main Results:

  • A 71-year-old woman developed a left ventricular pseudoaneurysm due to MRC.
  • The pseudoaneurysm resulted from left atrial and ventricular tears attributed to MRC.
  • The patient died 46 days post-operatively, with autopsy ruling out other cardiac pathologies.

Conclusions:

  • Mitral ring calcification can directly lead to severe cardiac structural damage, including pseudoaneurysm formation.
  • Prompt diagnosis and surgical intervention are crucial, but outcomes remain challenging.
  • This case underscores the importance of recognizing MRC as a potential cause of cardiac rupture.