Pregunta 1
Pregunta
Flashcards at
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Pregunta 2
Pregunta
How many types of pneumothorax are there?
Pregunta 3
Pregunta
What is the initial management of an open pneumothorax?
Pregunta 4
Pregunta
Which of these statements is true for the tension pneumothorax?
Respuesta
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we should wait for the chest x-ray to confirm the diagnosis before proceeding with the treatment
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the mediastinum is shifted to the opposite side, decreasing the venous return and compressing the opposite lung
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it results from large defects. of the chest wall that remain open
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the treatment is emergency thoracotomy
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all of the above
Pregunta 5
Pregunta
What other condition can be initially confused with tension pneurnothorax?
Respuesta
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flail chest
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open pneumothorax
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myocardial infarction
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cardiac tamponade
Pregunta 6
Pregunta
A teenage boy falls from his bicycle and is run over by a truck. On arrival in the emergency room, he is awake and alert and appears frightened but in no distress. The chest radiograph suggests an air-fluid level in the left lower lung field and the nasogastric tube seems to coil upward into the left chest. The next best step in management is
Pregunta 7
Pregunta
A 25-year-old woman arrives in the emergency room following an automobile accident. She is acutely dyspneic with a respiratory rate of 60 breaths/min. Breath sounds. are markedly diminished on the right side. The first step in managing the patient should be to
Respuesta
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Take a chest x-ray
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Draw arterial blood for blood gas determination
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Decompress the right pleural space
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Perform pericardiocentesis
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Administer intravenous fluids
Pregunta 8
Pregunta
A 25-year-old woman arrives in the emergency room following an automobile accident. She is acutely dyspneic with a respiratory rate of 60 breaths/min. Breath sounds. are markedly diminished on the right side.
A chest x-ray of this woman before therapy would probably reveal
Respuesta
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Air in the right pleural space
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Shifting of the mediastinum toward the right
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Shifting of the trachea toward the right
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Dilation of the intrathoracic vena cava
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Hyperinflation of the left lung
Pregunta 9
Pregunta
A 23-year-old previously healthy man presents to the emergency room after sustaining a single gunshot wound to the left chest. The entrance wound is 3 cm inferior to the nipple and the exit wound is just below the scapula. A chest tube is placed that drains 400 mL of blood and continues to drain 50-75 mtL/h during the initial resuscitation. Initial blood pressure of 70/0 mm Hg responds to 2 L crystalloid and is now 100/70 mm Hg. Abdominal examination is “unremarkable. Chest x-ray reveals a reexpanded lung and no free air under the diaphragm. The next management step should be
Pregunta 10
Pregunta
Regarding myocardial contusion from blunt chest trauma, which of the following statements is correct?
Respuesta
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Elevated cardiac isoenzyme levels sensitively identify patients at risk for life-threatening arrhythmias
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The majority of patients have abnormalities on the initial ECG post injury
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First-pass radionuclide angiography (RNA) and echocardiography are considered the “gold standard” for diagnosis
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RNA and echocardiography are good predictors of subsequent Cardiac complications such as arrhythmias and pump failure
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All patients diagnosed with myocardial contusion should be monitored in an intensive care unit setting for 72 h
Pregunta 11
Pregunta
Which of the following situations would be an indication for performance of a thoracotomy in the emergency room?
Respuesta
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Massive hemotharax following blunt trauma to the chest
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Blunt trauma ‘to multiple organ systems with obtainable vita! signs in the field but none on arrival in the emergency roam
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Rapidly deteriorating patient with cardiac tamponade from penetrating thoracic trauma
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Penetrating thoracic trauma and no signs of life in the field
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Penetrating abdominal trauma and no signs of life in the field
Pregunta 12
Pregunta
How do we define a massive hemothorax?
Respuesta
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accumulation of more than 300 ml of blood
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accumulation of more than 1000 ml of blood
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accumulation of more than 1500 ml of blood
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accumulation of more than 2500 ml of blood
Pregunta 13
Pregunta
What is the initial treatment of hemothorax?
Respuesta
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a rapid crystalloid infusion
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insertion of a chest tube
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blood transfusions as soon as possible
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all of the above
Pregunta 14
Pregunta
What is the definition of flail chest?
Respuesta
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multiple rib fractures in one fracture line
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accumulation of more than 1500 ml of blood in the thoracic cavity
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multiple rib fractures - three or more ribs fractured in two or more places
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one rib fractured in two fracture lines
Pregunta 15
Pregunta
What causes the. greatest physiologic insult in patients with flail chest?
Pregunta 16
Pregunta
What is the mast important part in the treatment of patients with pulmonary contusion?