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

Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

360
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
360
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

34
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
34
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

43
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
43
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

1.4K
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
1.4K
Pneumothorax-I01:26

Pneumothorax-I

342
A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
342
Pulmonary Ventilation: Inhalation01:24

Pulmonary Ventilation: Inhalation

4.7K
Pulmonary ventilation is a vital process that ensures the exchange of oxygen and carbon dioxide in the lungs. It refers to the movement of air into and out of the lungs, enabling the body to obtain oxygen and remove waste carbon dioxide. In this article, we will explore the intricacies of pulmonary ventilation, including its underlying principles, mechanisms, and the interplay of pressures within the respiratory system.
Boyle's law becomes particularly pertinent when examining respiratory...
4.7K

You might also read

Related Articles

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

Sort by
Same author

Amiodarone: Get in rhythm or get off the dance floor. Analyzing the overuse of long term amiodarone in patients with atrial fibrillation.

Current problems in cardiology·2025
Same author

Healthcare Provider Burnout: Red Flag for a Rising Epidemic.

Southern medical journal·2024
Same author

Outcomes of Ultrafiltration in community-based hospitals.

Current problems in cardiology·2024
Same author

The left atrial appendage: An enigmatic friend or foe and implications of closure.

Current problems in cardiology·2024
Same author

Chronic thromboembolic pulmonary hypertension and balloon pulmonary angioplasty - Where are we in 2024?

Current problems in cardiology·2024
Same author

Pretreatment identification of 90-day readmission among heart failure patients receiving aquapheresis treatment.

Current problems in cardiology·2023

Related Experiment Video

Updated: Sep 10, 2025

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
05:56

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Published on: September 6, 2024

3.4K

Transient Decrease in Ventricular Sensing Secondary to Left Lung Collapse.

Julian A Chestaro1, Rami N Khouzam2

  • 1Medicine, Grand Strand Medical Center, Myrtle Beach, USA.

Cureus
|August 27, 2025
PubMed
Summary

A mucus plug caused abnormal pacemaker readings in a patient. Bronchoalveolar lavage cleared the airway, normalizing pacemaker function, highlighting the link between respiratory and cardiac device performance.

Keywords:
bronchoalveolar lavagecomplete av blockpacemaker complicationspacemaker lead displacementpermanent pacemaker implantation (ppm)

More Related Videos

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs
08:19

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Published on: July 12, 2022

3.0K
Invasive Hemodynamic Assessment for the Right Ventricular System and Hypoxia-Induced Pulmonary Arterial Hypertension in Mice
04:54

Invasive Hemodynamic Assessment for the Right Ventricular System and Hypoxia-Induced Pulmonary Arterial Hypertension in Mice

Published on: October 24, 2019

9.3K

Related Experiment Videos

Last Updated: Sep 10, 2025

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
05:56

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

Published on: September 6, 2024

3.4K
Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs
08:19

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Published on: July 12, 2022

3.0K
Invasive Hemodynamic Assessment for the Right Ventricular System and Hypoxia-Induced Pulmonary Arterial Hypertension in Mice
04:54

Invasive Hemodynamic Assessment for the Right Ventricular System and Hypoxia-Induced Pulmonary Arterial Hypertension in Mice

Published on: October 24, 2019

9.3K

Area of Science:

  • Cardiology
  • Pulmonology
  • Biomedical Engineering

Background:

  • Permanent dual-chamber pacemaker implantation is a critical intervention for bradycardia-induced cardiac arrest.
  • Pacemaker interrogation assesses device function and patient hemodynamics, with deviations indicating potential complications.
  • Respiratory events can influence cardiovascular parameters and device performance.

Observation:

  • A unique case involving a patient with a new dual-chamber pacemaker presented with complete left lung whiteout on postoperative day one.
  • This respiratory complication was associated with abnormal pacemaker interrogation findings, including low impedance and low ventricular sensing.
  • The patient's condition resolved following a bronchoalveolar lavage (BAL) that successfully removed a mucus plug.

Findings:

  • The mucus plug obstructing the left airway was identified as the cause of the abnormal pacemaker sensing and impedance values.
  • Resolution of the lung whiteout after BAL directly correlated with the normalization of pacemaker sensing and impedance.
  • This case demonstrates a direct, albeit unusual, impact of a pulmonary issue on pacemaker electrical parameters.

Implications:

  • Pacemaker interrogation should consider potential non-cardiac etiologies, such as respiratory complications, when interpreting device data.
  • Effective management of pulmonary issues, like mucus plugging, can directly restore normal pacemaker function.
  • This highlights the intricate relationship between respiratory and cardiovascular systems and their impact on implanted electronic devices.