Prepping communities: Explosives Flashcards
What are some newer explosive devices?
Enhanced blast weapons, improvised explosive devices
What is an explosive event?
Conversion of a solid or liquid explosive material into gas causing energy release
What is the degree of blast injury based on?
Size of charge, distance, surrounding environment
What occurs when a blast is reflected by a solid surface?
Magnified many times
What should be done in detection during an explosive event?
Not typical or predictable
Used mostly by terrorists
What does the incident commander do when there is an explosive event?
Should manage traumatic and explosive events like any other disaster
What should be done in security and safety in an explosive event?
Scene must be secured and perimeter established, safety hazards must be relayed to incident commander
What types of hazards should be assessed?
Downed power lines, fire, debris, blood, structural instability
Who must be communicated with is the support part of an explosive event?
The trauma and burn team/center
What types of injuries can you see from a blast?
Primary, secondary, tertiary, quaternary, quinary
What are the characteristics to a primary blast injury?
Unique to explosions with high explosives, causes damage to air filled organs
Blast lung, TM rupture in ear, abd injury, brain injury
What will a pressure differential show in a primary blast injury?
Tear is alveolar walls, disruption of alveolar-capillary interface
What are the signs of a primary blast injury
Difficulty to complete a sentence in one breath, rapid/shallow respiration, poor chest wall expansion, dec breath sounds, wheezing/hemoptysis, cutaneous emphysema
What would the x-ray of someone suffering from over-pressurized lung from a primary blast injury look like?
“Butterfly” pattern
What can occur from a system air embolism from a primary blast injury?
Vascular obstruction, chest pain, focal neurological deficits, blindness, tongue blanching, cutis marmorata
Most related to sudden deaths in the first hour
