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

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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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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...
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Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
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Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

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Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
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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.
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Válvula aórtica cuadricúspide: características, anomalías cardiovasculares estructurales asociadas y resultados

Michael Y C Tsang1, Muaz M Abudiab1, Naser M Ammash1

  • 1From Divisions of Cardiovascular Diseases (M.Y.C.T., N.M.A., V.T.N., P.A.P.) and Anatomic Pathology (W.D.E.), Mayo Clinic, Rochester, MN; and Division of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ (M.M.A., T.Z.N.).

Circulation
|December 5, 2015
PubMed
Resumen

La válvula aórtica cuadricúspide (VAC), un defecto raro, ocurre en el 0,006% de los pacientes. Las condiciones asociadas como la dilatación aórtica y la regurgitación son comunes, pero la supervivencia a largo plazo sigue siendo excelente.

Palabras clave:
Válvula aórticaInsuficiencia de la válvula aórticaecocardiografíala supervivencia

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Área de la Ciencia:

  • Cardiología
  • Defectos congénitos del corazón
  • La ecocardiografía

Sus antecedentes:

  • La válvula aórtica cuadricúspide (QAV) es un defecto cardíaco congénito raro.
  • Comprender su prevalencia, las anomalías asociadas y los resultados a largo plazo es crucial.

Objetivo del estudio:

  • Determinar la frecuencia del QAV en una gran base de datos de ecocardiografía.
  • Caracterizar las anomalías cardiovasculares asociadas en pacientes con AVQ.
  • Describa los resultados a largo plazo para las personas diagnosticadas con AVQ.

Principales métodos:

  • Análisis retrospectivo de una gran base de datos de ecocardiografía.
  • Inclusión de pacientes diagnosticados con QAV entre el 1 de enero de 1975 y el 14 de marzo de 2014.
  • Evaluación de los tipos de QAV, anomalías cardíacas asociadas y datos de seguimiento del paciente.

Principales resultados:

  • Se diagnosticó QAV en 50 pacientes, lo que representa una frecuencia del 0,006%.
  • La dilatación aórtica (29%) y la regurgitación aórtica moderada a grave (26%) fueron hallazgos comunes.
  • Otras anomalías cardíacas estuvieron presentes en el 32% de los pacientes; 8 pacientes requirieron cirugía de válvula aórtica, principalmente por regurgitación severa.

Conclusiones:

  • La dilatación aórtica y otras anomalías cardíacas estructurales son relativamente comunes en pacientes con AVQ.
  • La regurgitación de la válvula aórtica es el principal problema hemodinámico y la indicación quirúrgica.
  • La supervivencia a largo plazo de los pacientes con QAV es excelente, con un 91,5% a los 5 años y un 87,7% a los 10 años.