Related Experiment Video
Updated: Mar 19, 2026
12:12
Echocardiographic Approaches and Protocols for Comprehensive Phenotypic Characterization of Valvular Heart Disease in Mice
Published on: February 14, 2017
16.9K
Two cases of quadricuspid aortic valve
Takeshi Masaki1, Masami Nishino2, Masayuki Taniike1
1Division of Cardiology, Osaka Rosai Hospital, 1179-3 Nagasone-cho, Sakai, Osaka, 591-8025, Japan.
Journal of Echocardiography
|June 10, 2016
Summary
Quadricuspid aortic valve (QAV), a rare congenital heart defect, can be accurately diagnosed using echocardiography and cardiac CT. These imaging techniques aid in early detection, allowing for careful monitoring before potential surgical intervention.
Area of Science:
- Cardiology
- Medical Imaging
- Congenital Heart Disease
Background:
- Quadricuspid aortic valve (QAV) is an uncommon congenital anomaly of the heart's aortic valve.
- Accurate diagnosis is crucial for patient management and prognosis.
Purpose of the Study:
- To present two distinct cases of QAV diagnosed using advanced imaging modalities.
- To highlight the diagnostic capabilities of echocardiography and cardiac computed tomography (CT) for QAV.
Main Methods:
- Case presentation of two adult male patients diagnosed with QAV.
- Utilized echocardiography, including transesophageal echocardiography (TEE), for detailed valve assessment.
- Employed cardiac computed tomography (CT) for comprehensive anatomical evaluation.
Main Results:
- Case 1: A 58-year-old male with QAV featuring four equal-sized cusps.
- Case 2: A 42-year-old male with QAV including a small accessory cusp.
- Both TEE and cardiac CT provided accurate diagnostic information for QAV in these cases.
Conclusions:
- Transesophageal echocardiography and cardiac CT are effective tools for diagnosing quadricuspid aortic valve.
- Early diagnosis of QAV is achievable, enabling proactive monitoring and management planning.
- Long-term follow-up is essential for patients diagnosed with QAV, even in the absence of immediate surgical indication.
Related Concept Videos
01:16Heart Valves
13.3K
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...
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...
13.3K
01:15Aortic Regurgitation I: Introduction
1.1K
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...
1.1K
01:16Chambers of the Heart
11.1K
The human heart is a complex organ made up of four chambers: the right and left atria and the right and left ventricles. These internal chambers are separated by partitions known as the interatrial and interventricular septa. The exterior of the heart features a groove known as the coronary sulcus that demarcates the atria from the ventricles, while the anterior and posterior interventricular sulci distinguish between the two ventricles.
Deoxygenated blood from the body is received in the right...
Deoxygenated blood from the body is received in the right...
11.1K
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
824
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...
824
01:27Mitral Valve Prolapse I: Introduction
866
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...
866
01:25Aortic Regurgitation III: Medical Management
540
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
540