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

Feedback Inhibition00:46

Feedback Inhibition

53.9K
Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
53.9K
Allergic Reactions02:06

Allergic Reactions

27.4K
Overview
27.4K
Feedback Loops01:01

Feedback Loops

57.5K
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
57.5K
What is a Sensory System?01:31

What is a Sensory System?

93.3K
Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
93.3K
Humoral Immune Responses01:36

Humoral Immune Responses

72.7K
Overview
72.7K
Cross-reactivity00:42

Cross-reactivity

31.1K
Overview
31.1K

You might also read

Related Articles

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

Sort by
Same author

Profiles of distress related to sexual function, psychological distress, and sexual pleasure: a person-centered analysis of early maladaptive schemas and psychological inflexibility.

Sexual medicine·2026
Same author

Comment on Sun et al. First Experience with Hypothermic Oxygenated Perfusion in Human Uteri: Feasibility and Metabolic Characterization. <i>J. Clin. Med.</i> 2026, <i>15</i>, 2820.

Journal of clinical medicine·2026
Same author

Highly-Conductive and Micro-Structured Transparent Glass Substrates for Efficient and Scalable Photoelectrochemical Applications.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Cost-Utility Analysis of the Treatment With Ataluren Plus Standard of Care Compared With Standard of Care Alone in Patients With Duchenne Muscular Dystrophy in Brazil.

Value in health regional issues·2026
Same author

Do We Really Know Why Carbon Nanotubes Grow?

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Mechanical circulatory support for cardiogenic shock in takotsubo syndrome.

Clinical research in cardiology : official journal of the German Cardiac Society·2026

Related Experiment Video

Updated: Jul 3, 2025

Author Spotlight: A Streamlined and Accessible Analysis Method to Quantify Optokinetic Reflex Tracking Responses
05:26

Author Spotlight: A Streamlined and Accessible Analysis Method to Quantify Optokinetic Reflex Tracking Responses

Published on: April 12, 2024

732

Authors' Response.

Ana Isabel Pinho1, Cátia Oliveira1, Luís Daniel Santos1

  • 1Department of Cardiology, University Hospital Center of São João, Porto.

Monaldi Archives for Chest Disease = Archivio Monaldi Per Le Malattie Del Torace
|February 15, 2024
PubMed
Summary

QT interval prolongation in Takotsubo syndrome, while concerning, does not significantly impact patient prognosis. This finding suggests that this cardiac feature, though alarming, is not a major predictor of adverse outcomes in patients with Takotsubo syndrome.

More Related Videos

Analysis of Circadian Photoresponses in Drosophila Using Locomotor Activity
00:08

Analysis of Circadian Photoresponses in Drosophila Using Locomotor Activity

1.3K
Light/dark Transition Test for Mice
10:35

Light/dark Transition Test for Mice

Published on: November 13, 2006

52.6K

Related Experiment Videos

Last Updated: Jul 3, 2025

Author Spotlight: A Streamlined and Accessible Analysis Method to Quantify Optokinetic Reflex Tracking Responses
05:26

Author Spotlight: A Streamlined and Accessible Analysis Method to Quantify Optokinetic Reflex Tracking Responses

Published on: April 12, 2024

732
Analysis of Circadian Photoresponses in Drosophila Using Locomotor Activity
00:08

Analysis of Circadian Photoresponses in Drosophila Using Locomotor Activity

1.3K
Light/dark Transition Test for Mice
10:35

Light/dark Transition Test for Mice

Published on: November 13, 2006

52.6K

Area of Science:

  • Cardiology
  • Clinical Medicine
  • Cardiac Electrophysiology

Background:

  • Takotsubo syndrome, also known as stress-induced cardiomyopathy, is characterized by transient left ventricular dysfunction.
  • QT interval prolongation is a potential electrocardiographic finding in various cardiac conditions.
  • The prognostic significance of QT interval prolongation in Takotsubo syndrome requires further elucidation.

Purpose of the Study:

  • To evaluate the prognostic impact of QT interval prolongation in patients diagnosed with Takotsubo syndrome.
  • To determine if QT interval prolongation is associated with adverse cardiovascular events in this patient population.

Main Methods:

  • Retrospective analysis of patients diagnosed with Takotsubo syndrome.
  • Electrocardiographic assessment including QT interval measurement.
  • Clinical follow-up to ascertain major adverse cardiovascular events.

Main Results:

  • QT interval prolongation was observed in a subset of patients with Takotsubo syndrome.
  • No statistically significant association was found between QT interval prolongation and major adverse cardiovascular events.
  • The presence of QT prolongation did not predict long-term cardiac outcomes.

Conclusions:

  • QT interval prolongation in Takotsubo syndrome appears to be a transient or non-specific finding.
  • This electrocardiographic feature does not carry a major prognostic impact in patients with Takotsubo syndrome.
  • Clinicians should not consider QT interval prolongation as a primary indicator of poor prognosis in Takotsubo syndrome.