Related Experiment Video
Updated: Feb 7, 2026
09:47
A Rat Model of Ventricular Fibrillation and Resuscitation by Conventional Closed-chest Technique
Published on: April 26, 2015
16.4K
What Every Anesthesiologist Should Know About the Manual Resuscitation Bag
Carolyn S Sivco1, Verghese T Cherian2
1From the Department of Anesthesiology & Perioperative Medicine, Penn State Health College of Medicine.
A&A Practice
|July 24, 2018
Summary
The manual resuscitation bag, or bag-valve-mask, is vital life-saving equipment. This guide details its function, construction, and limitations, clarifying common misconceptions about its use in oxygen delivery and ventilation.
Area of Science:
- Emergency Medicine
- Respiratory Care
- Medical Devices
Background:
- The bag-valve-mask (BVM) is a critical tool for manual ventilation.
- Understanding its capabilities is essential for effective emergency care.
- Misconceptions can hinder optimal patient management.
Observation:
- This article examines the construction and operational principles of the BVM.
- It addresses the device's limitations in various clinical scenarios.
- The BVM's ability to deliver specific oxygen concentrations is analyzed.
Findings:
- The BVM's highest achievable oxygen concentration is detailed.
- Its suitability for preoxygenation is evaluated.
- The feasibility of using a BVM for continuous positive airway pressure (CPAP) or positive end-expiratory pressure (PEEP) is clarified.
Implications:
- Accurate knowledge of BVM function improves patient outcomes during respiratory emergencies.
- Clarifying misconceptions ensures appropriate application of this life-saving device.
- This information supports evidence-based practice in emergency and critical care settings.
Related Concept Videos
01:21Cardiopulmonary Resuscitation I: Adult
751
Cardiopulmonary resuscitation, or CPR, is a life-saving emergency procedure performed when a person's heart has stopped beating or they are no longer breathing. The foundation of CPR is Basic Life Support (BLS), which focuses on the early recognition of cardiac arrest, the immediate start of high-quality chest compressions, and the timely use of an automated external defibrillator (AED).Assessing Responsiveness and Checking the Carotid PulseWhen approaching an unresponsive person, first ensure...
751
01:23Cardiopulmonary Resuscitation III: AED Use
721
Introduction to AEDAn Automated External Defibrillator (AED) is a portable medical device that analyzes the heart's rhythm and, if necessary, delivers an electrical shock to help the heart re-establish an effective rhythm during sudden cardiac arrest (SCA). SCA occurs when the heart suddenly and unexpectedly stops beating, leading to a loss of blood flow to the brain and other vital organs. In such emergencies, time is of the essence, and using an AED, combined with Cardiopulmonary...
721
01:25Cardiopulmonary Resuscitation IV: Pharmacological Management
849
Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
849
01:22Cardiopulmonary Resuscitation II: ACLS Airway Management
684
Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned...
684
01:30Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques
561
Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
561
01:27Diagnostic and Statistical Manual of Mental Disorders (DSM)
1.2K
The Diagnostic and Statistical Manual of Mental Disorders (DSM) serves as the primary classification system for mental health disorders, providing standardized diagnostic criteria for clinicians and researchers. First published by the American Psychiatric Association (APA) in 1952, the DSM has undergone several revisions to reflect evolving psychiatric understanding. The fifth edition, DSM-5, released in 2013, introduced key updates that expanded diagnostic categories and modified diagnostic...
1.2K