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

Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

43
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
43
Electrophysiology of Normal Cardiac Rhythm01:19

Electrophysiology of Normal Cardiac Rhythm

6.6K
The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase...
6.6K
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

61
Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
61
Electrocardiogram01:29

Electrocardiogram

2.5K
An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
2.5K
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

27
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
27
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

38
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...
38

You might also read

Related Articles

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

Sort by
Same author

Experiences of People with Type 2 Diabetes and Healthcare Professionals with Once-Weekly Insulin Efsitora Alfa in QWINT Phase 3 Trials: Qualitative In-Trial Interviews.

The patient·2026
Same author

Determinants of Adherence to a Ketogenic Diet in Patients with Heart Failure with Reduced Ejection Fraction.

Nutrients·2026
Same author

Regional fat distribution as a determinant of mortality in populations with left ventricular systolic dysfunction: challenging the obesity paradox.

European journal of preventive cardiology·2026
Same author

Dietary Approaches to Stop Hypertension (DASH) Diet, Incident Heart Failure and Its Associated Risk Factors in Australian Women.

Medicina (Kaunas, Lithuania)·2026
Same author

Preparing healthcare providers to use polygenic risk scores: a qualitative study of learning needs and educational preferences.

BMJ open·2026
Same author

CLO26-104: TBCRC 050: A Phase 1b/2 Trial of Niraparib and Trastuzumab in HER2+ Metastatic Breast Cancer (MBC): Safety and Efficacy.

Journal of the National Comprehensive Cancer Network : JNCCN·2026

Related Experiment Video

Updated: Aug 6, 2025

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

1.7K

Left atrial phasic function: physiology, clinical assessment and prognostic value.

Aaisha Ferkh1,2, Amy Clark1,2, Liza Thomas3,2

  • 1Westmead Clinical School, The University of Sydney, Westmead, New South Wales, Australia.

Heart (British Cardiac Society)
|March 14, 2023
PubMed
Summary
This summary is machine-generated.

Left atrial (LA) phasic function, assessing reservoir, conduit, and contractile phases, offers early detection of cardiovascular disease. Its diagnostic and prognostic value is significant, though clinical implementation faces barriers.

Keywords:
atrial fibrillationcardiac imaging techniquesdiagnostic imagingechocardiographyheart failure, diastolic

More Related Videos

Electrophysiological Assessment of Murine Atria with High-Resolution Optical Mapping
08:19

Electrophysiological Assessment of Murine Atria with High-Resolution Optical Mapping

Published on: February 22, 2018

10.0K
High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation
09:17

High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation

Published on: July 29, 2011

14.9K

Related Experiment Videos

Last Updated: Aug 6, 2025

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

1.7K
Electrophysiological Assessment of Murine Atria with High-Resolution Optical Mapping
08:19

Electrophysiological Assessment of Murine Atria with High-Resolution Optical Mapping

Published on: February 22, 2018

10.0K
High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation
09:17

High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation

Published on: July 29, 2011

14.9K

Area of Science:

  • Cardiology
  • Physiology
  • Medical Imaging

Background:

  • Left atrial (LA) phasic function is crucial for understanding cardiovascular disease pathophysiology.
  • LA function encompasses reservoir, conduit, and contractile phases, each reflecting distinct physiological roles.

Purpose of the Study:

  • To review the physiology of LA phasic function.
  • To outline methods for assessing LA phasic function.
  • To discuss the diagnostic and prognostic utility of LA function parameters in various pathologies.

Main Methods:

  • Evaluation of LA phasic function using various imaging modalities.
  • Application of techniques including volumetric analysis, deformation (strain), and Doppler methods.
  • Review of existing literature on LA function assessment and clinical relevance.

Main Results:

  • LA reservoir strain is a sensitive indicator for early detection of LA dysfunction.
  • LA function parameters demonstrate significant diagnostic and prognostic value in heart failure, atrial fibrillation, and stroke.
  • LA phasic function provides deeper insights than LA volume alterations alone.

Conclusions:

  • LA phasic function assessment is vital for cardiovascular disease evaluation.
  • Despite proven utility, barriers hinder the clinical implementation of LA phasic function parameters.
  • Further integration into clinical practice and guidelines is warranted.