40 something needing to explode

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NCBI Bookshelf. Michael R. Jorolemon ; Richard A. Lopez ; Diann M. Authors Michael R. Jorolemon 1 ; Richard A. Lopez 2 ; Diann M. Krywko 3. Explosions are unique in their ability to inflict acute injuries on many people at the same time, resulting in high levels of mortality and morbidity. The type and severity of the impact depends on many factors though the principle mechanism driving the extent of injuries is the amount of kinetic energy released over a short period of time.

Other factors involved include when and where the event took place, the of people in the area, the material in the area, whether the explosion was nuclear, mechanical, or chemical, how far the victim was from the explosion, and what protection was available, if any.

This activity describes the evaluation and management of victims of explosions and highlights the role of the interprofessional team in improving care for affected patients. Objectives: Describe the principle mechanism driving the extent of blast injuries. Describe the pathophysiology of blast injuries. Discuss the history and physical that is conducted with a blast injury.

Describe the evaluation and management of victims of explosions 40 something needing to explode the role of the interprofessional team in improving care for affected patients. Access free multiple choice questions on this topic. Whether through an accident or intentional act, explosions are an occurrence that can cause serious injury and death.

Explosions have the ability to inflict injuries on many people at the same time resulting in high levels of mortality and morbidity. The type and severity of the 40 something needing to explode depends on many factors including, when and where the event took place, the of people in the area, material in the area of the explosion, and the type of explosion nuclear, mechanical, or chemicalhow far the victim is from the explosion, what protection they had available to them.

The principle mechanism driving the extent of the injuries is the amount of kinetic energy released over a short time by the explosion. Explosives are categorized as high order explosives or low order explosives. High order explosives have a strong supersonic pressure wave, known as the blast wave or shock wave. Low order explosions have a subsonic explosion and lack the high order explosive blast wave. Examples of low order explosives include — pipe bombs, gun powder, petroleum-based bombs. In addition to the blast wave, an explosion can cause blast wind.

Blast wind is the flow of superheated air that can interact with people and objects and cause injury or damage. Chemical explosions cause injuries in four primary, secondary, tertiary, and quaternary. Immediate death can occur from an explosion as a result of extensive pulmonary injury with pulmonary hemorrhage causing suffocation. Immediate death can also be caused by a pulmonary air embolism, severe head injury, ificant internal injury, amputation, or impalement on an object. Blast injuries occur on various scales. In it was estimated that there were over 10, blast injuries related to fireworks in the United States.

The Federal Bureau of Investigation reported that from toover 4, injuries and deaths occurred in the United States due to illegal explosions of bombs or incendiary devices. Ina notable explosion occurred at a fertilizer plant in Texas 40 something needing to explode in 15 deaths and many injuries. On a global scale, explosive devices are used as a means of terrorism. Blast injuries caused the vast majority of injuries to military personnel in recent wars and conflicts. Primary blast injury is caused by the blast wave moving through the body. Since only high order explosives create a blast wave, primary blast injuries are unique to high order explosions.

The blast wave causes damage to more extensively to air-filled organs. The resulting barotrauma can affect the lungs, auditory organs, the eye, brain, and gastrointestinal tract. Primary blast injuries can be subtle and have a delayed presentation. The respiratory system can sustain ificant injury, as a result of the blast wave.

Pulmonary contusion is the most common respiratory system injury and it can be delayed in presentation up to 48 hours.

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If there is bleeding from the ear, consider that the blast was intense enough to cause injury to the lungs and hollow organs. The colon is the most common area of hemorrhage and perforation. As with blast lung, intestinal perforation can occur acutely or may have a delayed presentation of up to 48 hours. Solid internal abdominal organs can also be contused or lacerated; however, solid 40 something needing to explode damage occurs much less than does hollow organ damage.

In victims with multiple presenting injuries or in incidents with multiple causalities, the injuries could be easy to miss. Victims of primary blast injuries may not initially show any obvious s of injury. Secondary blast injuries are caused by debris that is displaced by the blast wind of the explosion.

The secondary blast injuries are caused by debris that penetrates or interacts with the body 40 something needing to explode. The debris can be from pieces of the explosive device itself and its contents, or material located around the initial blast device at the time of the explosion. Secondary blast injuries for the majority of injuries from an explosion event. The blast wave can carry debris a considerable distance causing injuries to anyone in its path.

In intentional explosive devices, often they are constructed with the intent to injure as many people as possible. The device could be constructed with nails, metal ball bearings, screws, or other objects with the intent that they will be forcefully displaced during the blast to increase injuries to anyone in their path.

Secondary blast injuries are more common than primary blast injuries. Secondary blast injuries are the most common cause of mortality in victims of an explosion.

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Often areas of highest risk for injury are the head, neck, and extremities. Secondary blast injuries can be obvious or be deceiving. The force of the explosion can propel debris many times faster than a bullet. Thus, a seeming small wound could be hiding a devastating injury underneath. Injuries can include fractures, amputations, lacerations, dislocations, and any 40 something needing to explode of soft tissue injury. Tertiary blast injuries are caused when the person in displaced through the air and impacts on another object by the blast wind, or when a structure collapses and causes injury to the person.

The resulting injury can be either blunt trauma due to the impact or penetrating injury if the victim is propelled and the striking structure enters the body. Injuries are determined by what the victim strikes. The strength of the explosion determines the severity of the injuries sustained.

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High explosive blasts can cause skull fractures, fractured bones, head injuries, or any traumatic injury open or closed injuries, chest, abdominal, pelvic injuries, amputations, spinal injuries, and any others. Structural collapse and entrapment can cause crush injuries and compartment syndrome.

The longer it takes to extricate the victim the higher their mortality. Quaternary blast injuries are comprised of all injuries that are not included in primary, secondary, or tertiary blast injury. Quaternary blast injuries can be caused by exposure to resulting, fire, fumes, radiation, biological agents, smoke, dust, toxins, environmental exposure, and the psychological impact of the event. As a result of all the debris, wounds can be extremely contaminated with a wide variety of sources. Psychological disease — exacerbation of anxiety, depression, contribute to post-traumatic stress disorder PTSD.

In an intentional explosion, other substances can be added to cause more injury, illness, or to induce more fear and panic in the community. The toxicokinetics will be determined by what other substances or toxin have been released as a result of the explosion. A history and physical directedt to determined the extent of injuires is required. First you have to ensure that you and the environment is safe. The evaluate for any injury or compromise to the airway, breathing, or circulation. A determination of the 40 something needing to explode victims disability and the events leading to the incident can help guide the needs of further evaluation and treatment.

Treatment and managements are dictated by the injuries found on the history and physical examination. Carefully review and evaluation for blast injuries that can be delayed in presentation need to be specifically evaluated for if indicated. The management of blast injuries is with an interprofessional team that includes a trauma surgeon, general surgeon, ENT specialist, ophthalmologist, plastic surgeon, anesthesiologist, intensivist and the emergency department physician.

If the injury is minor the patient may be observed and discharged. However, all major blast injuries need to be admitted and monitored. The outcomes depend on the severity 40 something needing to explode the injury. Many patients with severe injuries do die at the scene and only those with moderate to minior injuries are seen in the emergency department.

For those who survive, there is a prolonged rehabilitation phase. A mental health consult is recommended as many do suffer from PTSD. This book is distributed under the terms of the Creative Commons Attribution 4. Turn recording back on. National Center for Biotechnology InformationU. StatPearls [Internet]. Search term. Blast Injuries Michael R.

Author Information Authors Michael R. Continuing Education Activity Explosions are unique in their ability to inflict acute injuries on many people at the same time, resulting in high levels of mortality and morbidity. Introduction Whether through an accident or intentional act, explosions are an 40 something needing to explode that can cause serious injury and death. Etiology Explosives are categorized as high order explosives or low order explosives. Epidemiology Blast injuries occur on various scales.

Pathophysiology Primary Blast Injury Primary blast injury is caused by the blast wave moving through the body. Blast ear — tympanic membrane rupture and middle ear damage. Blast belly — injury causing abdominal hemorrhage and perforation immediate and delayed. It can also cause injury to solid organs and testicular rupture. Radiation — minor injury to death, depending on the type, amount, and exposure time to the source.

Toxicokinetics The toxicokinetics will be determined by what other substances or toxin have been released as a result of the explosion.

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History and Physical A history and physical directedt to determined the extent of injuires is required. Differential Diagnosis Emergent management of thermal burns. Enhancing Healthcare Team Outcomes The management of blast injuries is with an interprofessional team that includes a trauma surgeon, general surgeon, ENT specialist, ophthalmologist, plastic surgeon, anesthesiologist, intensivist and the emergency department physician. Review Questions Access free multiple choice questions on this topic. Comment on this article. References 1. Temizkan S, Kelestimur F.

A clinical and pathophysiological approach to traumatic brain injury-induced pituitary dysfunction. Shuker ST. J Maxillofac Oral Surg. Guldner GT, Knight C. Napalm Toxicity. Singh D, Cronin D. Ann Biomed Eng. Fatal delayed hemopericardium and hemothorax following blunt chest trauma.

Forensic Sci Med Pathol. Positron emission tomography of tau in Iraq and Afghanistan Veterans with blast neurotrauma. Neuroimage Clin. Otol Neurotol. Mil Med. Wound 40 something needing to explode and blast injuries. J Visc Surg. Environment at the time of injury determines injury patterns in pelvic blast.

40 something needing to explode

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