Related Experiment Video
Updated: Jul 31, 2025

07:56
Closed Chest Biventricular Pressure-Volume Loop Recordings with Admittance Catheters in a Porcine Model
Published on: May 18, 2021
3.7K
"(Pseudo)cavities inside the heart: What may they unfold?"
Andreia Campinas1,2, Sofia Cabral1,2, Patrícia Rodrigues1,2
1Centro Hospitalar Universitário do Porto, Porto, Portugal.
Echocardiography (Mount Kisco, N.Y.)
|May 8, 2023
Summary
Subvalvular aortic stenosis can lead to bacterial endocarditis. This case highlights an unusual subaortic membrane and pseudoaneurysm complication in a 60-year-old woman.
Area of Science:
- Cardiovascular Medicine
- Infectious Diseases
- Cardiac Surgery
Background:
- Subvalvular aortic stenosis, often due to a subaortic membrane, increases risk for bacterial endocarditis.
- Bacterial endocarditis typically involves the aortic valve (AoV) or left ventricular outflow tract (LVOT).
Observation:
- A 60-year-old woman presented with an unusual subaortic membrane.
- The patient also had a left Valsalva sinus pseudoaneurysm.
Findings:
- The subaortic membrane was an atypical form.
- The pseudoaneurysm was a complication of endocarditis.
Implications:
- This case expands understanding of endocarditis complications in subvalvular aortic stenosis.
- Highlights the importance of considering rare presentations in diagnosing cardiac infections.
- May inform surgical or medical management strategies for complex aortic pathologies.
More Related Videos
Related Concept Videos
Anatomy of the Heart
109.8K
The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
109.8K
Imaging Studies for Cardiovascular System III: X-Ray
221
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
221
Chambers of the Heart
5.4K
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...
5.4K
Imaging Studies for Cardiovascular System II:Types of Echocardiography
310
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
310
Heart Valves
5.2K
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...
5.2K
Imaging Studies for Cardiovascular System I:Echocardiography
390
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
390

