chest trauama
DESCRIPTION
Chest injuries are the second leading cause of trauma deaths each year.TRANSCRIPT
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Chest Trauma
H.R.Kadkhodaei MD.Associated professor of ThoracicSurgeryRasoul Akram Medical Complex
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Statistics Chest injuries are the second leading cause of
trauma deaths each year. Most thoracic injuries (90% of blunt trauma and
70% to 85% of penetrating trauma) can be managed without surgery.
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Main Causes of Chest Trauma
Blunt Trauma- Blunt force to chest.
Penetrating Trauma- Projectile that enters chest causing small or large hole.
Compression Injury- Chest is caught between two objects and chest is compressed.
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Injuries of chest
Rib Fractures Flail Chest Simple/Closed Pneumothorax Open Pneumothorax Tension Pneumothorax
Traumatic Asphyxia Diaphragmatic Rupture Pulmonary contusion
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Rib Fractures
Incidence– Infrequent until adult life– Significant force required– Most often elderly patients
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Rib FracturesPathophysiology
Most often caused by blunt trauma Ribs 3 to 8 are fractured most often (they are thin
and poorly protected) Respiratory restriction as a result of pain and
splinting Intercostal vessel injury Associated complications
– First and second ribs are injured by severe trauma
– Tracheobronchial tree injury– Vascular injury
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Rib Fractures
Assessment findings– Localized pain – Pain that worsens with movement, deep breathing,
coughing– Point tenderness
Most patients can localize the fracture by pointing to the area (confirmed by palpation).– Crepitus or audible crunch
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Rib FracturesManagement
Airway and ventilation– High-concentration oxygen– Positive-pressure ventilation– Encourage coughing and deep breathing
Pharmacological– Analgesics– Intercostal block – Epidural block
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Rib FracturesComplications
Splinting, which leads to atelectasis and ventilation-perfusion mismatch
Pneumonia can leads to empyema
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Flail ChestPathophysiology
Two or more adjacent ribs fractured in two or more places producing a free-floating segment of chest wall
Flail chest usually results from direct impact.
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Flail Chest
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Flail ChestPathophysiology (2 of 2)
Respiratory failure due to: – Underlying pulmonary contusion
The blunt force of the injury typically produces an underlying pulmonary contusion.– Associated intrathoracic injury– Inadequate bellows action of the chest
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S/S of Flail Chest
Chest wall contusion Respiratory distress Paradoxical chest wall movement Pleuritic chest pain Crepitus Pain and splinting of affected side Tachypnea Tachycardia
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Flail Chest is a True Emergency
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Flail ChestManagement
Airway and ventilation– High-concentration oxygen.– Positive-pressure ventilation may be needed.
»Reverses the mechanism of paradoxical chest wall movement
»Restores the tidal volume»Reduces the pain of chest wall movement »Assess for the development of a
pneumothorax– Evaluate the need for endotracheal intubation.– Stabilize the flail segment (controversial).
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Bulky Dressing for splint of Flail Chest
Use Trauma bandage and Triangular Bandages to splint ribs.
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Flail ChestMorbidity/Mortality
Significant chest trauma Mortality rates 20% to 40% due to
associated injuries Mortality increased with
– Advanced age– Seven or more rib fractures– Three or more associated injuries– Shock– Head injuries
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Simple/Closed Pneumothorax
Opening in lung tissue that leaks air into chest cavity
Blunt trauma is main cause
Usually self correcting
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Closed (simple) pneumothorax
– Incidence»10% to 30% in blunt chest trauma»Almost 100% with penetrating chest trauma
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Closed (Simple) PneumothoraxPathophysiology
May occur in the absence of rib fractures from:– A sudden increase in intrathoracic pressure
generated when the chest wall is compressed against a closed glottis (the paper-bag effect)»Results in an increase in airway pressure and
ruptured alveoli, which lead to a pneumothorax
Small tears self-seal; larger ones may progress.
Ventilation/perfusion mismatch.
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Closed PneumothoraxAssessment Findings
Tachypnea Tachycardia Respiratory distress Absent or decreased breath sounds on the affected side Hyperresonance Decreased chest wall movement Dyspnea Chest pain referred to the shoulder or arm on the affected
side pleuritic chest pain
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Closed PneumothoraxManagement
Airway and ventilation– High-concentration oxygen.– Positive-pressure ventilation if necessary.– If respiration rate is <12 or >28 per minute,
ventilatory assistance with a bag-valve mask may be indicated.
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Open Pneumothorax
Incidence– Usually the result of penetrating trauma
» Gunshot wounds» Knife wounds» Motor vehicle collisions» Falls
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Open Pneumothorax
Opening in chest cavity that allows air to enter pleural cavity
Causes the lung to collapse due to increased pressure in pleural cavity
Can be life threatening and can deteriorate rapidly
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Open PneumothoraxPathophysiology (1 of 2)
An open defect in the chest wall (>3 cm)– If the chest wound opening is greater than two-
thirds the diameter of the trachea, air follows the path of least resistance through the chest wall with each inspiration.
– As the air accumulates in the pleural space, the lung on the injured side collapses and begins to shift toward the uninjured side.
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Open Pneumothorax
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Open PneumothoraxInhale
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Open PneumothoraxExhale
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Open PneumothoraxInhale
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Open PneumothoraxExhale
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Open PneumothoarxInhale
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Open PnuemothoraxInhale
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S/S of Open Pneumothorax
Dyspnea Sudden sharp pain Subcutaneous Emphysema Decreased lung sounds on affected side Red Bubbles on Exhalation from wound
( Sucking chest wound)
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Open PneumothoraxManagement (1 of 2)
Airway and ventilation:– High-concentration oxygen.– Positive-pressure ventilation if necessary.– Assist ventilations with a bag-valve device and
intubation as necessary.– Monitor for the development of a tension
pneumothorax. Circulation—treat for shock with crystalloid
infusion.
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Open PneumothoraxManagement (2 of 2)
Nonpharmacological– Occlude the open
wound—apply an occlusive petroleum gauze dressing (covered with sterile dressings) and secure it with tape.
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Occlusive Dressing
Asherman Chest Seal
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Plus Care
Monitor Heart Rhythm Establish IV Access and Draw Blood
Samples Airway Control that may include Intubation Monitor for Tension Pneumothorax
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Tension Pneumothorax
Air builds in pleural space with no where for the air to escape
Results in collapse of lung on affected side that results in pressure on mediastium,the other lung, and great vessels
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Tension Pneumothorax Pathophysiology
Occurs when air enters the pleural space from a lung injury or through the chest wall without a means of exit.
Results in death if it is not immediately recognized and treated.
When air is allowed to leak into the pleural space during inspiration and becomes trapped during exhalation, an increase in the pleural pressure results.
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Tension Pneumothorax Pathophysiology (2 of 2)
Increased pleural pressure produces mediastinal shift.
Mediastinal shift results in:– Compression of the uninjured lung– Kinking of the superior and inferior vena cava,
decreasing venous return to the heart, and subsequently decreasing cardiac output
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Tension PneumothoraxEach time we inhale,
the lung collapses further. Thereis no place for the air to
escape..
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Tension PneumothoraxEach time we inhale,
the lung collapses further. Thereis no place for the air to
escape..
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Tension Pneumothorax
Heart is beingCompressed and Decrease CO
The trachea ispushed to
the other side
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Tension Pneumothorax Assessment Findings (1 of 3)
Extreme anxiety Cyanosis Increasing dyspnea Difficult ventilations while being assisted Tracheal deviation (a late sign) Hypotension
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Tension Pneumothorax Assessment Findings (3 of 3)
Bulging of the intercostal muscles Subcutaneous emphysema Jugular venous distention (unless
hypovolemic) Unequal expansion of the chest (tension
does not fall with respiration) Hyperresonnace to percussion
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Tension Pneumothorax Physical Findings
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Tension Pneumothorax Management
Emergency care is directed at reducing the pressure in the pleural space.
Airway and ventilation:– High-concentration oxygen– Positive pressure ventilation if necessary
Circulation—relieve the tension pneumothorax to improve cardiac output.
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Tension Pneumothorax Management (2 of
5) Nonpharmacological
– Occlude open wound– Needle thoracostomy– Tube thoracostomy—in-hospital management
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Tension Pneumothorax Management (3 of
5) Needle thoracostomy
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Tension Pneumothorax Management (4 of 5)
Tension pneumothorax associated with penetrating trauma– May occur when an open pneumothorax has been
sealed with an occlusive dressing.– Pressure may be relieved by momentarily
removing the dressing (air escapes with an audible release of air).
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Tension Pneumothorax Management (5 of
5) Tension pneumothorax associated with closed
trauma– If the patient demonstrates significant dyspnea and
distinct signs and symptoms of tension pneumothorax: » Provide thoracic decompression with either a large-bore needle
or commercially available thoracic decompression kit.» Insert a 2-inch 14- or 16-gauge hollow needle or catheter into
the affected pleural space. Usually the second intercostal space in the midclavicular line
Insert the needle just above the third rib to avoid the nerve, artery, and vein that lie just beneath each rib.
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Needle Decompression
Locate 2-3 Intercostal space midclavicular line Cleanse area using aseptic technique Insert catheter ( 14g or larger) over the top of the
3rd rib( nerve, artery, vein lie along bottom of rib) Place Flutter valve over catheter Reassess for Improvement
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Needle Decompression
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Flutter Valve
Asherman Chest Seal makes good Flutter Valve .
Also can use a Finger from a Latex Glove
Or A Condom works also
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Pulmonary Contusion
A pulmonary contusion is the most common potentially lethal chest injury.
» Incidence Blunt trauma to the chest
– The most common injury from blunt thoracic trauma.
– 30% to 75% of patients with blunt trauma have pulmonary contusion.
Commonly associated with rib fracture High-energy shock waves from explosion High-velocity missile wounds Rapid deceleration
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Pulmonary Contusion Assessment Findings
Tachypnea Tachycardia Cough Hemoptysis Apprehension Respiratory distress Dyspnea Evidence of blunt chest trauma Cyanosis
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Pulmonary ContusionManagement
Airway and ventilation:– High-concentration oxygen– Positive-pressure ventilation if necessary
Circulation—restrict IV fluids (use caution restricting fluids in hypovolemic patients).
Transport considerations.
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Pulmonary ContusionMorbidity/Mortality
May be missed due to the high incidence of other associated injuries
Mortality—between 14% and 20%
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Hemothorax (2 of 2)
Incidence– Associated with pneumothorax.– Blunt or penetrating trauma.– Rib fractures are frequent cause.
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Hemothorax
Occurs when pleural space fills with blood As blood increases, it puts pressure on heart
and other vessels in chest cavity Each Lung can hold 1.5 liters of blood
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HemothoraxPathophysiology
Accumulation of blood in the pleural space caused by bleeding from – Penetrating or blunt lung injury– Chest wall vessels– Intercostal vessels
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Hemothorax
Where does the blood come from.
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Hemothorax
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Hemothorax
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Hemothorax
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Hemothorax
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Hemothorax
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Hemothorax
May put pressure on the heart
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HemothoraxAssessment Findings (1 of 2)
Tachypnea Dyspnea Cyanosis
– Often not evident in hemorrhagic shock Diminished or decreased breath sounds on
the affected side
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HemothoraxAssessment Findings (2 of 2)
Hyporesonance (dullness on percussion) on the affected side
Hypotension Narrowed pulse pressure Tracheal deviation to the unaffected side
(rare) Pale, cool, moist skin
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S/S of Hemothorax
Anxiety/Restlessness Tachypnea Signs of Shock Frothy, Bloody Sputum Diminished Breath Sounds on Affected Side Tachycardia Flat Neck Veins
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Bledsoe et al., Essentials of Paramedic Care: Division 1II
© 2006 by Pearson Education, Inc. Upper Saddle River, NJ
Hemothorax Physical Findings
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HemothoraxManagement
Airway and ventilation– High-concentration oxygen– Positive-pressure ventilation if necessary– Ventilatory support with bag-valve mask, intubation, or
both Circulation
– Administer volume-expanding fluids to correct hypovolemia
– Nonpharmacological—tube thoracostomy (in-hospital management)
– Transport considerations» Appropriate mode» Appropriate facility
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Treatment for Hemothorax
ABC’s with c-spine control as indicated Secure Airway assist ventilation if necessary General Shock Care due to Blood loss RAPID TRANSPORT
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HemothoraxMorbidity/Mortality
A life-threatening injury that frequently requires urgent chest tube placement and/or surgery
Associated with great vessel or cardiac injury– 50% of these patients will die immediately.– 25% of these patients live 5 to 10 minutes.– 25% of these patients may live 30 minutes or longer.
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Traumatic Asphyxia
Incidence– A severe crushing injury to the chest and
abdomen» Steering wheel injury» Conveyor belt injury» Compression of the chest under a heavy object
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Traumatic Asphyxia Pathophysiology
A sudden compressional force squeezes the chest.
An increase in intrathoracic pressure forces blood from the right side of the heart into the veins of the upper thorax, neck, and face.
Jugular veins engorge and capillaries rupture.
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S/S of Traumatic Asphyxia
Severe Dyspnea Distended Neck Veins Bulging, Blood shot eyes Swollen Tounge with cyanotic lips Reddish-purple discoloration of face and
neck Petechiae
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Traumatic AsphyxiaAssessment
Reddish-purple discoloration of the face and neck (the skin below the face and neck remains pink).
Jugular vein distention. Swelling of the lips and tongue. Swelling of the head and neck. Swelling or hemorrhage of the conjunctiva
(subconjunctival petechiae may appear). Hypotension results once the pressure is released.
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Traumatic AsphyxiaManagement
Airway and ventilation– Ensure an open airway.– Provide adequate ventilation.
Circulation– IV access.– Expect hypotension and shock once the compression is
released.
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Diaphragmatic Rupture
Incidence Penetrating trauma
– Blunt trauma– Injuries to the diaphragm account for 1% to 8%
of all blunt injuries.» 90% of injuries to the diaphragm are associated with
high-speed motor vehicle crashes.
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Diaphragm Rupture
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Diaphragmatic Rupture
Rupture can allow intra-abdominal organs to enter the thoracic cavity, which may cause the following:– Compression of the lung with reduced
ventilation– Decreased venous return– Decreased cardiac output– Shock
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Diaphragmatic Rupture Pathophysiology
Can produce very subtle signs and symptoms
Bowel obstruction and strangulation Restriction of lung expansion
– Hypoventilation– Hypoxia
Mediastinal shift– Cardiac compromise– Respiratory compromise
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Diaphragmatic Rupture Assessment Findings
Tachypnea Tachycardia Respiratory distress Dullness to percussion Scaphoid abdomen (hollow or empty appearance)
– If a large quantity of the abdominal contents are displaced into the chest
Bowel sounds in the affected hemithorax Decreased breath sounds on the affected side Possible chest or abdominal pain
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S/S of Diaphragmatic Rupture
Abdominal Pain Shortness of Air Decreased Breath Sounds on side of rupture Bowel Sounds heard in chest cavity
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Diaphragmatic Rupture Management
Airway and ventilation– High-concentration oxygen– Positive-pressure ventilation if necessary– Caution: positive pressure may worsen the injury
Circulation—IV access Nonpharmacological—do not place patient in
Trendelenburg position Transport considerations
– Appropriate mode– Appropriate facility
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Plus Care
Cardiac Monitor Establish IV access and draw blood samples Airway management including Intubation Observe for Pneumothorax due to compression on
lung by abdominal contents Possible insertion of NG tube to help decompress
the stomach to relieve pressure Rapid transport
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Summary
Chest Injuries are common and often life threatening in trauma patients. So, Rapid identification and
treatment of these patients is paramount to patient survival. Airway management is very important and
aggressive management is sometimes needed for proper management of most chest injuries.