Ambu-bag
Ambu-bag
An Ambu-bag, also known as a bag valve mask (BVM), is a medical device used to provide positive pressure ventilation to patients who are not breathing or not breathing adequately. The device is a crucial component in emergency medicine, anesthesia, and critical care settings.
Components[edit | edit source]
The Ambu-bag consists of several key components:
- Bag: A self-inflating bag that can be squeezed to deliver air to the patient.
- Valve: A one-way valve that prevents the exhaled air from re-entering the bag.
- Mask: A face mask that fits over the patient's nose and mouth to deliver the air.
- Reservoir: An optional oxygen reservoir that can be attached to increase the concentration of oxygen delivered.
Usage[edit | edit source]
The Ambu-bag is used in various medical situations, including:
- Cardiopulmonary resuscitation (CPR)
- Anesthesia induction
- Respiratory failure
- Transport of critically ill patients
To use the Ambu-bag, the healthcare provider places the mask over the patient's face, ensuring a tight seal, and squeezes the bag to deliver breaths. The rate and volume of breaths can be adjusted based on the patient's needs.
History[edit | edit source]
The Ambu-bag was first introduced in the 1950s by the Danish company Ambu. It has since become a standard piece of equipment in ambulances, emergency rooms, and intensive care units.
Advantages[edit | edit source]
- Portability: The Ambu-bag is lightweight and easy to transport.
- Simplicity: It is easy to use with minimal training.
- Versatility: It can be used in various settings and for patients of all ages.
Limitations[edit | edit source]
- Operator Fatigue: Prolonged use can lead to fatigue for the healthcare provider.
- Inconsistent Ventilation: Manual operation can result in inconsistent ventilation rates and volumes.
Related Pages[edit | edit source]
- Cardiopulmonary resuscitation
- Anesthesia
- Respiratory failure
- Emergency medicine
- Critical care
- Ambulance
- Intensive care unit
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
