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

242
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
242
Pulmonary Function Tests01:25

Pulmonary Function Tests

348
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
348
Exercise and Cardiac Output01:17

Exercise and Cardiac Output

1.1K
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
1.1K
Chest Physiotherapy01:24

Chest Physiotherapy

491
Chest Physiotherapy (CPT) is a therapeutic technique used in respiratory care to improve ventilation, clear bronchial secretions, and enhance the efficiency of respiratory muscles. This therapy includes three primary procedures: postural drainage, percussion, and vibration. It can be performed on spontaneously breathing patients and those who are intubated and mechanically ventilated.
Purpose
CPT is primarily used for patients with excessive bronchial secretions who have difficulty clearing...
491
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

992
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
992
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

835
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
835

You might also read

Related Articles

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

Sort by
Same author

Prognostic Impact of Chronotropic Incompetence in Transthyretin Cardiac Amyloidosis. A multicentre study.

ESC heart failure·2026
Same author

Exercise performance in patients with heart failure and impaired iron transport: a single-centre retrospective study.

BMJ open·2026
Same author

Beyond the slope: prognostic utility of the VE/VCO<sub>2</sub> intercept in chronic heart failure.

Open heart·2026
Same author

Stopping Beta-Blockers after Myocardial Infarction.

The New England journal of medicine·2026
Same author

Effect of physical exercise-based cardiac rehabilitation on frail patients with heart failure: focus on endothelial dysfunction.

Progress in cardiovascular diseases·2026
Same author

Pericardial Effusion After Cardiac Surgery: Prevalence, Characteristics, Risk Factors and Management.

Journal of clinical medicine·2026
Same journal

Rethinking triglycerides in the management of ASCVD.

European journal of preventive cardiology·2026
Same journal

Mapping the continuum: polygenic risk of coronary artery disease.

European journal of preventive cardiology·2026
Same journal

Why is Transition so Relevant to Prevention in Congenital Heart Disease? Start Early, Educate, Empower Families and Patients.

European journal of preventive cardiology·2026
Same journal

Beyond Awareness and Diagnosis: From Knowledge to Action for Blood Pressure Control in Coronary Artery Disease.

European journal of preventive cardiology·2026
Same journal

Harmonica-based breathing exercises during hybrid cardiac telerehabilitation: a randomized controlled trial (HARMONY CR).

European journal of preventive cardiology·2026
Same journal

First count the particles: ApoB, the LDL-C/TC ratio, and the hierarchy of lipid risk assessment.

European journal of preventive cardiology·2026
See all related articles

Related Experiment Video

Updated: Jul 13, 2025

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
06:57

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Published on: February 12, 2021

3.3K

Beyond VO2: the complex cardiopulmonary exercise test.

Irene Mattavelli1, Carlo Vignati1,2, Stefania Farina1,3

  • 1Centro Cardiologico Monzino, IRCCS, Via Parea, 4, Milan 20138, Italy.

European Journal of Preventive Cardiology
|October 11, 2023
PubMed
Summary
This summary is machine-generated.

Cardiopulmonary exercise testing (CPET) provides key insights into heart failure (HF). Advanced CPET methods can now distinguish between impaired oxygen delivery and extraction, offering a more precise diagnosis.

Keywords:
Cardiac output measurementComplex cardiopulmonary exercise testHeart failure

More Related Videos

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
00:07

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

9.7K
Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
04:20

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

Published on: October 1, 2019

5.8K

Related Experiment Videos

Last Updated: Jul 13, 2025

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
06:57

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Published on: February 12, 2021

3.3K
Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
00:07

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

9.7K
Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
04:20

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

Published on: October 1, 2019

5.8K

Area of Science:

  • Cardiology
  • Exercise Physiology
  • Diagnostic Technologies

Background:

  • Cardiopulmonary exercise test (CPET) is crucial for diagnosing heart failure (HF).
  • Peak oxygen uptake (peak VO2) is a key prognostic parameter in HF.
  • Standard CPET cannot differentiate between impaired oxygen delivery and extraction.

Purpose of the Study:

  • To explore advanced CPET technologies for differentiating causes of reduced VO2 in heart failure.
  • To highlight methods for assessing cardiac output and peripheral oxygenation during exercise.

Main Methods:

  • Utilizing non-invasive techniques like inert gas rebreathing and thoracic impedance cardiography to measure cardiac output (Qc) during CPET.
  • Employing near-infrared spectroscopy for non-invasive assessment of peripheral muscle oxygenation.
  • Integrating these measurements with Fick principle calculations.

Main Results:

  • Advanced CPET can distinguish between impaired oxygen delivery (Qc) and impaired oxygen extraction (C(a-v)O2).
  • Non-invasive methods for Qc and tissue oxygenation are validated in HF patients.
  • Combined measurements allow for precise attribution of VO2 deficits to cardiac, muscular, or anemia-related factors.

Conclusions:

  • Complex CPET provides a more detailed understanding of exercise limitation in heart failure.
  • These advanced techniques enhance diagnostic accuracy and prognostic assessment in HF patients.
  • Differentiating the causes of VO2 impairment can guide targeted therapeutic strategies.