S1: Prehospital Care - Bomb, Blast, And Crush Injuries

Question 1

What is a primary injury?

Answer 1

Direct efficacy of blast wave overpressure on tissue

Question 2

What is a secondary blast injury?

Answer 2

Collateral damage feom flying objects and shrapnel

Question 3

What is a tertiary blast injury?

Answer 3

Results from the victime being propelled through the air and striking stationay objects

Question 4

What is a quaternary blast injury?

Answer 4

a result of burns, smoke inhalation, or chemical agent release

Question 5

What is spalling?

Answer 5

the displacemebt and fragmentation of a dense medium into a less dense medium

Question 6

What is shearing?

Answer 6

Sometimes called as inertia
A stress caused by the blast wave travelling through different tissue densities at different velocities.

Question 7

What is an implosion?

Answer 7

Opposite of spalling
Less dense material is displaced into denser material

Question 8

What is the most commom fatal primary blast injury?

Answer 8

Pulmonary barotrauma

Question 9

What is the most serious complication of crush injury?

Answer 9

Renal failure

Question 10

What is the normal compartment pressure?

Answer 10

<10mmhg

Question 11

At what pressures does the muscle ischemia, irreversible nerve damage and muscle damage occur?

Answer 11

> 30mmhg

Question 12

What are the 5ps of compartment syndrome?

Answer 12

Pain
Paresethesia
Passive stretch
Pressure
Pulselessness