Related Experiment Video

Updated: Apr 27, 2026

Author Spotlight: Developing a Translational Model for Atrial Fibrillation Research Across Species
08:52

Author Spotlight: Developing a Translational Model for Atrial Fibrillation Research Across Species

Published on: November 21, 2023

1.5K

Cardiac myxoma originating from areas of ventricular akinesia

D De Viti1, A Stragapede1, G Riccioni2

  • 1Cardiology Unit, Casa di Cura Santa Maria, Bari, Italy.

Journal of Biological Regulators and Homeostatic Agents
|July 9, 2014
PubMed

Insights

A large left ventricular myxoma caused heart wall motion abnormalities, mimicking myocardial infarction. Tumor fragments may have embolized, leading to akinesia and potentially influencing tumor growth via blood flow stasis.

Area of Science:

  • Cardiology
  • Pathology

Background:

  • Cardiac myxomas are rare primary heart tumors.
  • Historically, myxomas were thought to originate from mural thrombi.

Observation:

  • A large, 61x39 mm pedunculated myxoma was found in the left ventricle.
  • The patient presented with anterior-septal and anterior free wall akinesia.
  • Coronary angiography revealed normal coronary arteries, despite clinical suspicion of myocardial infarction.

Findings:

  • Ventricular akinesia may result from tumor fragment embolization.
  • Blood stasis or low-velocity flow, associated with wall motion abnormalities, could promote myxoma growth.

Implications:

  • This case highlights a potential mechanism for cardiac tumor-induced akinesia.
  • Understanding the interplay between tumor characteristics and cardiac function is crucial for diagnosis and management.

More Related Videos

Simultaneous Isolation and Culture of Atrial Myocytes, Ventricular Myocytes, and Non-Myocytes from an Adult Mouse Heart11:53

Simultaneous Isolation and Culture of Atrial Myocytes, Ventricular Myocytes, and Non-Myocytes from an Adult Mouse Heart

Published on: June 14, 2020

9.0K
Isolation of Atrial Myocytes from Adult Mice08:34

Isolation of Atrial Myocytes from Adult Mice

Published on: July 25, 2019

11.7K

Related Concept Videos

Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
813
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
801
Structure of Cardiac Muscles01:13

Structure of Cardiac Muscles

Cardiac muscle, or myocardium, is a specialized type of muscle found exclusively in the heart. Its unique structural and functional characteristics enable the heart to perform its vital role of pumping blood throughout the body continuously and rhythmically. The cardiac muscle cells, or cardiomyocytes, possess an endomysium and perimysium but do not have an epimysium.
Compared to skeletal muscles, cardiac muscle cells are small and mostly have a single nucleus. Additionally, they are usually...
16.5K
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
643
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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...
1.1K
Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
2.7K