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

Clot Retraction and Fibrinolysis01:16

Clot Retraction and Fibrinolysis

8.4K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
8.4K
ECG Interpretation of Rhythms01:24

ECG Interpretation of Rhythms

12.4K
An electrocardiogram (ECG)graphically represents the heart's electrical activity on ECG paper or a monitor.
Components of the Electrocardiogram
The primary components of a normal ECG waveform in Normal sinus rhythm(NSR) include the P wave, PR interval, QRS complex, ST segment, T wave, and occasionally a U wave.
ECG waveforms are divided by vertical and horizontal lines at standard intervals.
The horizontal axis measures time and rate, and the vertical axis measures amplitude or voltage....
12.4K
Correlation between ECG and Cardiac Cycle01:25

Correlation between ECG and Cardiac Cycle

11.7K
The electrical signals recorded on an electrocardiogram (ECG) occur before the mechanical processes of contraction and relaxation during the cardiac cycle.
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
11.7K
Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

1.4K
Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
1.4K
Electrocardiogram01:29

Electrocardiogram

5.3K
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...
5.3K
Clipper Circuit01:18

Clipper Circuit

842
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
842

You might also read

Related Articles

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

Sort by
Same author

Predictors and Clinical Impact of Time to Diagnosis in Acquired Haemophilia A: An 11-Year Retrospective Cohort Study.

Haemophilia : the official journal of the World Federation of Hemophilia·2026
Same author

Brexucabtagene autoleucel for relapsed/refractory mantle cell lymphoma in asia: redefining the role of allogeneic haematopoietic stem cell transplantation.

Annals of hematology·2026
Same author

Emerging Thrombolysis Technologies in Vascular Thrombosis.

Journal of clinical medicine·2025
Same author

Outcomes of primary CNS lymphoma treated with combined immunochemotherapy with whole-brain radiotherapy.

Annals of hematology·2025
Same author

The potential role of dilute Russell's viper venom time ratio in predicting the identification of triple-positive antiphospholipid antibody profile.

Journal of thrombosis and haemostasis : JTH·2025
Same author

Safety and efficacy of rilzabrutinib vs placebo in adults with immune thrombocytopenia: the phase 3 LUNA3 study.

Blood·2025

Related Experiment Video

Updated: Jan 13, 2026

Leveraging Turbidity and Thromboelastography for Complementary Clot Characterization
06:28

Leveraging Turbidity and Thromboelastography for Complementary Clot Characterization

Published on: June 4, 2020

7.2K

Decoding Clot Waveform Analysis: Toward Better Understanding and Harmonization.

Jing Yuan Tan1, Marvin Raden Torres De Guzman1, Wan Hui Wong1

  • 1Department of Haematology, Singapore General Hospital, Singapore.

Seminars in Thrombosis and Hemostasis
|January 8, 2026
PubMed
Summary
This summary is machine-generated.

Clot waveform analysis (CWA) offers valuable insights into hemostasis but faces limited clinical use. Standardization of detection methods, reagents, and reporting is crucial for its widespread adoption in diagnostics.

More Related Videos

Author Spotlight: Advancing Thrombolytic Testing by Integrating Flow Dynamics in In Vitro Models
06:16

Author Spotlight: Advancing Thrombolytic Testing by Integrating Flow Dynamics in In Vitro Models

Published on: April 19, 2024

1.7K
Author Spotlight: Deciphering Coagulation Disorders in Traumatic Brain Injury Patients
04:56

Author Spotlight: Deciphering Coagulation Disorders in Traumatic Brain Injury Patients

Published on: August 4, 2023

1.2K

Related Experiment Videos

Last Updated: Jan 13, 2026

Leveraging Turbidity and Thromboelastography for Complementary Clot Characterization
06:28

Leveraging Turbidity and Thromboelastography for Complementary Clot Characterization

Published on: June 4, 2020

7.2K
Author Spotlight: Advancing Thrombolytic Testing by Integrating Flow Dynamics in In Vitro Models
06:16

Author Spotlight: Advancing Thrombolytic Testing by Integrating Flow Dynamics in In Vitro Models

Published on: April 19, 2024

1.7K
Author Spotlight: Deciphering Coagulation Disorders in Traumatic Brain Injury Patients
04:56

Author Spotlight: Deciphering Coagulation Disorders in Traumatic Brain Injury Patients

Published on: August 4, 2023

1.2K

Area of Science:

  • Coagulation science
  • Hemostasis diagnostics
  • Clinical laboratory medicine

Background:

  • Clot waveform analysis (CWA) enhances routine coagulation tests like aPTT and PT.
  • CWA provides kinetic profiles of clot formation, offering qualitative and quantitative hemostasis data.
  • Growing evidence supports CWA's utility in diagnosing factor deficiencies and bleeding/thrombotic disorders.

Purpose of the Study:

  • To identify key barriers hindering the clinical translation of CWA.
  • To propose solutions for standardizing CWA methods and reporting.
  • To accelerate the adoption of CWA in routine clinical practice.

Main Methods:

  • Review of current literature and practices in clot waveform analysis.
  • Identification of sources of variability in CWA performance.
  • Analysis of existing nomenclature and reporting standards.

Main Results:

  • Three principal barriers to CWA clinical translation identified: optical detection variability (absorbance vs. transmittance), inter-reagent variation, and unclear distinction between standard and modified CWA.
  • Proposed solutions include distinct nomenclature (CWA-A, CWA-T), standardized reporting requirements (reagent, platform), and quality assurance frameworks.
  • Standardization is expected to improve reproducibility and enable cross-study comparisons.

Conclusions:

  • Standardizing CWA terminology, reporting, and quality assurance is essential for clinical adoption.
  • Clear distinctions between detection modalities and reagent types are needed.
  • These standardization efforts will facilitate the translation of CWA from research to clinical settings.