A hand held device commonly used to provide
positive pressure ventilation to patients who
are not breathing or not breathing
Using ambu bag to ventilate the patient is
called “ Bagging”.
Discovered in the year of 1953 by Dr. Holger
Hessee ( a German Engineer) & his partner Mr.
Henning Ruben ( Anesthestist).
The word “AMBU“ came from “ Ambulance ”
In case of Ventilator failure
Transfer of critical patients between wards.
In between suctions
it is not recommended to use the AMBU bags
when you are a single rescuer because it is
difficult for a single rescuer to hold the mask
and squeeze the bag at a time, as mouth &
nose should be completely sealed by mask
during bagging. If 2 rescuers there, one can
hold the mask while the other can squeeze
•BVM not connected to Oxygen
& reservoir (Room Air)21%
•BVM connected to Oxygen
source of 5-10L40-60%
•BVM with reservoir & 15L of
Gastric Insuflation (Vomiting, Aspiration)
Barotrauma (lung injury from over
Volutrauma (lung injury from overstretching)
Observe for chest rise
Improving from cyanosis