St. John Ambulance

D size.  A full D size cylinder / tank has between 350 to 425 litres of oxygen (a.k.a. 2000 to 2200 psi).

Under OFA 2 & 3 protocol, if a casualty is given the standard oxygen flow rate (15 Lpm), a full D-size cylinder will last about 25 minutes.

Roller bandage can be a description for roller gauze bandage (Ref #2.1), crepe bandage (Ref #2.2), elastic bandage (Ref #2.3), or Esmarch bandage (Ref #2.4).

Roller gauze bandages are made of gauze materials.  It is stretchable (so applies a small amount of pressure when applied) and used to wrap around a wound. ...

Crepe roller bandages are stretchable fabric bandages that is used to wrap around a wound.  The crepe roller bandage will apply some pressure to a wound.  I...

Elastic bandages are made of stretchable fabric materials.  The bandage will put a lot of pressure on a wound when applied.  Elastic bandages come as a roll...

Esmarch bandage is a soft rubber bandage.  It is used to control circulation of blood and for a tourniquet.  Esmarch comes as a roll. This bandage may a...

Non-adherent dressings are made of material to not stick (or minimize the potential to stick)on a wound.  These dressings are sterile and usually are indivi...

Spider straps are used to secure a casualty to a spineboard or to a scoop stretcher. It is a quick, efficient tool to immobilize the casualty. eStor...

The clam shell stretcher and the scoop stretcher are basically the same.  These stretchers are also referred to as the scoop type stretcher. The stretch...