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

Exercise Stress Test01:26

Exercise Stress Test

2.2K
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
2.2K
Electrocardiogram01:29

Electrocardiogram

9.0K
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...
9.0K
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

826
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
826
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

425
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...
425
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

861
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
861
Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

3.4K
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
3.4K

You might also read

Related Articles

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

Sort by
Same author

Systolic Murmur Due to Systolic Gradient Across Moderator Band.

The Journal of the Association of Physicians of India·2016
Same author

Rhythmic pulsations in inferior vena cava in pericardial constriction.

Indian heart journal·2016
Same author

Diagnosis of coronary microvascular dysfunction - Present status.

Indian heart journal·2015
Same author

Presystolic flow in ascending aorta in a case of left ventricular diastolic dysfunction.

Indian heart journal·2015
Same author

Mild mitral and tricuspid regurgitation secondary to pericardial constriction.

The Journal of the Association of Physicians of India·2015
Same author

Superdominant right coronary artery with double posterior descending artery.

Heart views : the official journal of the Gulf Heart Association·2015

Related Experiment Video

Updated: Apr 21, 2026

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

23.8K

Post stress tissue Doppler imaging can identify false positive exercise electrocardiogram.

S R Mittal

    The Journal of the Association of Physicians of India
    |October 21, 2014
    PubMed
    Summary

    Tissue Doppler imaging can identify false positives from exercise electrocardiography stress tests. This method improves the accuracy of diagnosing coronary artery disease by increasing test specificity.

    More Related Videos

    High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
    11:50

    High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

    Published on: July 9, 2010

    25.4K
    Ultrasonic Assessment of Myocardial Microstructure
    10:53

    Ultrasonic Assessment of Myocardial Microstructure

    Published on: January 14, 2014

    5.1K

    Related Experiment Videos

    Last Updated: Apr 21, 2026

    A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
    18:11

    A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

    Published on: December 28, 2012

    23.8K
    High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
    11:50

    High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

    Published on: July 9, 2010

    25.4K
    Ultrasonic Assessment of Myocardial Microstructure
    10:53

    Ultrasonic Assessment of Myocardial Microstructure

    Published on: January 14, 2014

    5.1K

    Area of Science:

    • Cardiology
    • Medical Imaging
    • Diagnostic Techniques

    Background:

    • Exercise electrocardiography (ECG) is a standard stress test for diagnosing coronary artery disease (CAD).
    • Stress testing can yield false positive results, potentially leading to unnecessary invasive procedures.
    • Improving the specificity of stress tests is crucial for accurate CAD evaluation.

    Observation:

    • Post-stress tissue Doppler imaging (TDI) was evaluated for its diagnostic utility.
    • The study assessed TDI's ability to differentiate true positives from false positives in stress testing.

    Findings:

    • Tissue Doppler imaging effectively diagnoses false positive responses identified by exercise electrocardiography.
    • TDI provides an additional, valuable parameter that enhances the specificity of stress testing for coronary artery disease.

    Implications:

    • Incorporating TDI into stress testing protocols can improve diagnostic accuracy for coronary artery disease.
    • This technique may reduce unnecessary invasive procedures by minimizing false positive diagnoses.
    • TDI offers a non-invasive method to augment the diagnostic power of traditional stress tests.