Related Experiment Video
Updated: Feb 7, 2026
07:46
Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus MRSA in Rat
Published on: June 4, 2012
17.6K
Complicated Infective Endocarditis Limited to a Chiari Network
Olufolahan Carrena1, Oluchukwu Oluoha1, Amr Wahba1
1Meharry Medical College, Nashville, TN, USA.
Case Reports in Cardiology
|July 27, 2018
Summary
Infective endocarditis isolated to the Chiari network, a rare heart structure, can cause serious complications like septic emboli. Early diagnosis and a multidisciplinary approach are key for managing this unusual condition.
Area of Science:
- Cardiology
- Infectious Diseases
- Cardiac Surgery
Background:
- The Chiari network is a rare, often insignificant, vestigial cardiac structure.
- Infective endocarditis typically affects heart valves, making isolated Chiari network involvement uncommon.
Observation:
- A 61-year-old male presented with hemoptysis, chest pain, and neurological deficits.
- Initial transthoracic echocardiogram was normal, but transesophageal echocardiogram revealed an 8.3 x 4.6 mm vegetation on the Chiari network.
- Blood cultures identified Streptococcus intermedius, and the patient had pulmonary opacities and a brain abscess.
Findings:
- Diagnosis of isolated Chiari network endocarditis requires high clinical suspicion.
- Transesophageal echocardiogram is crucial for visualizing Chiari network vegetations.
- Successful antibiotic treatment led to symptom improvement and reduced pulmonary opacities.
Implications:
- This case highlights the importance of considering rare cardiac structures in endocarditis diagnosis.
- A multidisciplinary approach involving cardiology, infectious disease, and potentially surgery is essential for optimal patient outcomes.
- Prompt diagnosis and management can prevent severe complications like septic emboli to the brain and lungs.
Related Concept Videos
01:25Endocarditis II: Clinical Features of Infective Endocarditis
535
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
535
01:25Endocarditis I: Introduction
512
Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
512
02:27Limiting Reactant
70.2K
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in reality, the reactants are not always present in the stoichiometric amounts indicated by the balanced equation.
70.2K
02:26Protein Networks
4.6K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
4.6K
01:29The Number e as a Limit
96
The number e is a fundamental constant in calculus, playing a central role in describing continuous change, particularly exponential growth. It is most naturally defined through its relationship with the natural logarithm, which is the inverse of the exponential function with base e. This relationship allows e to be characterized using basic principles of differentiation rather than as an arbitrary numerical constant.A key property of the natural logarithm function, ln x, is that its derivative...
96
01:24Hemodialysis II: Procedure and Complications
895
DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
895