Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Resistors In Series01:10

Resistors In Series

6.8K
A resistor is an ohmic device that limits the flow of charge in a circuit. Most circuits have more than one resistor. If several resistors are connected together and connected to a battery, the current supplied by the battery depends on the equivalent resistance of the circuit. The equivalent resistance of a combination of resistors depends on both their individual values and how they are connected. The simplest combination of resistors is the series combination. 
In a series circuit, the...
6.8K
Series Resonance01:17

Series Resonance

897
The RLC circuit impedance is defined as the ratio of the supply voltage to the circuit current. Resonance in such a circuit occurs when the imaginary part of this impedance equals zero. This specific condition means that the inductive reactance is exactly equal to the capacitive reactance. The frequency at which this happens is known as the resonant frequency. Mathematically, the resonant frequency is inversely proportional to the square root of the product of the inductance (L) and capacitance...
897
Series and Parallel Capacitors01:14

Series and Parallel Capacitors

9.8K
Capacitors, fundamental components in electronic circuits, can be connected in series and/or parallel configurations. Each configuration has different impacts on the overall behavior of the circuit.
First, consider capacitors connected in series to a battery. In this configuration, the plate connected to the battery's positive terminal develops a positive charge, while the plate attached to the negative terminal becomes negatively charged. An equal magnitude of charge is induced on the...
9.8K
Trigonometric Fourier series01:17

Trigonometric Fourier series

845
Fourier series is a foundational mathematical technique that decomposes periodic functions into an infinite series of sinusoidal harmonics. This method enables the representation of complex periodic signals as sums of simple sine and cosine functions, facilitating their analysis and interpretation in various fields, including signal processing, acoustics, and electrical engineering.
The trigonometric Fourier series specifically expresses a periodic function with a defined period T using sine...
845
Convergence of Fourier Series01:21

Convergence of Fourier Series

440
The Fourier series is a powerful mathematical tool for representing periodic signals as an infinite sum of complex exponentials. In practice, this infinite series is truncated to a finite number of terms, yielding a partial sum. This truncation makes the approximation of the signal feasible but introduces certain challenges, particularly near discontinuities, known as the Gibbs phenomenon.
The Gibbs phenomenon refers to the persistent oscillations and overshoots that occur near discontinuities...
440
Series R—L Circuit Transients01:22

Series R—L Circuit Transients

434
In a series resistor-inductor (R-L) circuit, closing the switch at the start of the time period simulates a three-phase short circuit, a fault condition where all three phases of an unloaded synchronous machine are short-circuited. When there is no fault impedance and no initial current, the initial voltage is determined by the phase angle of the source voltage.
Using Kirchhoff's Voltage Law (KVL) to analyze this circuit helps determine the total asymmetrical fault current, which consists...
434

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Atypical cardiac melioidosis masquerading as a right atrial mass: a case report.

Indian journal of thoracic and cardiovascular surgery·2026
Same author

Rare Right Lung Tumor with Intracardiac Extension: A Case of Successful Multidisciplinary Management.

Annals of cardiac anaesthesia·2026
Same author

Effect of preoperative oral iron supplementation on postoperative outcomes in children with acyanotic congenital heart disease undergoing cardiac surgery: a pragmatic randomised clinical trial.

Cardiology in the young·2026
Same author

Splenic artery aneurysm and infarction during pregnancy from infective endocarditis.

BMJ case reports·2024
Same author

Clinical predictors of warfarin-associated bleeding: A case-control study.

Tropical doctor·2024
Same author

Evaluation of Postoperative Pain After Cardiothoracic Surgery in Patients With and Without Significant Preoperative Anxiety: A Prospective Observational Study.

Annals of cardiac anaesthesia·2024

Related Experiment Video

Updated: Feb 15, 2026

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

4.7K

Left Ventricular Pseudoaneurysms in Children-A Case Series.

Prasad Sreevathsa1, Duvuru Ram1, Hemachandren Munuswamy1

  • 1Department of Cardiothoracic and Vascular Surgery, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Dhanvantri Nagar, Pondicherry, India.

World Journal for Pediatric & Congenital Heart Surgery
|January 17, 2018
PubMed
Summary

Left ventricular pseudoaneurysms are rare in children, often resulting from infection or surgery. This study highlights two cases linked to extrapulmonary tuberculosis and one to varicella zoster infection in pediatric patients.

Keywords:
infectionleft ventriclepseudoaneurysmtuberculosis

More Related Videos

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
09:05

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation

Published on: October 20, 2016

20.2K
Echocardiographic Characterization of Left Ventricular Structure, Function, and Coronary Flow in Neonate Mice
07:55

Echocardiographic Characterization of Left Ventricular Structure, Function, and Coronary Flow in Neonate Mice

Published on: April 7, 2022

3.8K

Related Experiment Videos

Last Updated: Feb 15, 2026

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

4.7K
Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
09:05

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation

Published on: October 20, 2016

20.2K
Echocardiographic Characterization of Left Ventricular Structure, Function, and Coronary Flow in Neonate Mice
07:55

Echocardiographic Characterization of Left Ventricular Structure, Function, and Coronary Flow in Neonate Mice

Published on: April 7, 2022

3.8K

Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Surgery
  • Infectious Diseases

Background:

  • Left ventricular pseudoaneurysms (LVPs) are uncommon cardiac abnormalities, particularly in pediatric populations.
  • Potential causes in children include infection, trauma, ischemia, and post-cardiac surgery complications.
  • Understanding the etiology and presentation of pediatric LVPs is crucial for timely diagnosis and management.

Observation:

  • This report details three pediatric cases of left ventricular pseudoaneurysms managed at a single institution.
  • Two patients presented with a history of extrapulmonary tuberculosis.
  • One patient had a preceding history of varicella zoster infection.

Findings:

  • The study identifies extrapulmonary tuberculosis and varicella zoster infection as potential, albeit rare, preceding conditions for left ventricular pseudoaneurysms in children.
  • These findings expand the known spectrum of etiologies for pediatric LVPs.
  • The cases underscore the importance of considering infectious origins in the differential diagnosis.

Implications:

  • Early recognition of infectious triggers can aid in the diagnosis of pediatric left ventricular pseudoaneurysms.
  • Further research into the mechanisms linking these infections to cardiac complications is warranted.
  • This case series may inform clinical guidelines for managing rare pediatric cardiac conditions.