Chapter 8 - Thoracic Trauma Flashcards

1
Q

About what percentage of vehicle deaths are attributable to thoracic injuries?

A

pg 189

25%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following is located within the thorax?

The heart

The trachea

Both lungs

The esophagus

All of the above

A

pg 189

All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How many floating rib pairs are there?

A

pg 190

Two

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

List the lines is used to describe position on the chest wall?

A

pg 190

Posterior axillary line

Midclavicular line

Anterior axillary line

Medial axillary line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How high does the diaphragm rise in the chest during a maximum expiration?

A

pg 190

To the 6th intercostal space posteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
The muscle(s) of respiration responsible for reducing the distance between ribs and helping lift
 the thorax is (are) the
A

pg 190

intercostal muscles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The structure that separates the chest cavity from the abdominal cavity is the

A

pg 190

diaphragm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

At the beginning of and during most of expiration, the pressure within the thorax is

A

pg 190

more than the atmospheric pressure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which structure(s) enter(s) or exit(s) the lungs at the pulmonary hilum?

A

pg 190

Right mainstem bronchus

Pulmonary artery

Pulmonary veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

T/F - The right lung has only two lobes because the heart’s greatest mass is on the right.

A

pg 190

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The serous structure that ensures the lungs expand with the thoracic cage wall and diaphragm is the

A

pg 190

pleura.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the following act(s) as a shut-off switch for respiration?

A

pg 191

The apneustic center

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following structures is NOT located within the mediastinum?

Thoracic duct

Vagus nerve

Phrenic nerve

Esophagus

Pulmonary hilum

A

pg 191

Pulmonary hilum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following statements is NOT true regarding the pericardium?

A. The pericardial fluid is straw colored.
B. The pericardial fluid acts as a lubricant.
C. The pericardium normally contains no more than 5 mL of fluid.
D. The epicardium and visceral pericardium are one and the same.
E. The fibrous pericardium is not the parietal pericardium.

A

pg 191

The pericardium normally contains no more than 5 mL of fluid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The outer layer of the heart is the

A

pg 191

epicardium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The intercostal arteries and nerves run

A

pg 191

below the ribs.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which of the following is NOT likely to be associated with blunt trauma?

A

pg 192

Pericardial tamponade

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which of the following is NOT likely to be associated with penetrating trauma?

A

pg 192

Traumatic asphyxia.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Rib fracture is found in about what percent of significant chest trauma?

A

pg 194

50 percent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which ribs are fractured the most frequently

A

pg 194

4 through 8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which rib group, when fractured, is most frequently associated with aortic rupture?

A

pg 194

Ribs 1 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which of the following groups is more likely to experience internal injury without rib fracture?

A

pg 195

Pediatric patients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which of the following are associated with a rib fracture?

Local pain

Hemothorax

Crepitus

Limited chest excursion

All of the above

A

pg 195

All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which of the following is most frequently associated with sternal fracture?

Hemothorax

Simple pneumothorax

Blunt cardiac injury

Open pneumothorax

Esophageal injury

A

195

Blunt cardiac injury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Air from under the flail segment in flail chest does which of the following? ## Footnote Moves out from under the segment during expiration Moves toward the mediastinum during expiration Does not move with the segment Moves out from under the segment during inspiration None of the above
pg 196 Moves out from under the segment during inspiration
26
As the pain of the flail chest increases with time, the amount of paradoxical movement will decrease due to muscular splinting.
pg 196 False
27
Simple pneumothorax is associated with what percent of serious thoracic trauma?
pg 197 15 - 50%
28
The condition in which a part of the chest wall moves in opposition to the rest of the chest due to numerous rib fractures is called
pg 195 Flail Chest
29
The chest injury that causes the patient to experience increasing dyspnea because of an open or closed pneumothorax that has a valve-like function and allows intrathoracic pressure to increase is referred to as
pg 198 tension pneumothorax
30
For a significant amount of air to move through an open wound to create an open pneumothorax, the wound opening must be
pg 197 two-thirds the size of the tracheal opening.
31
What is a very late sign of tension pneumothorax?
pg 198 Tracheal deviation away from the injury
32
Each hemithorax can hold up to what volume of blood from a hemothorax?
pg 199 3,000 mL
33
Which of the following statements is NOT true regarding hemothorax? ## Footnote Hemorrhage into the thorax is more severe due to decreased pressure there. Serious hemothorax may displace an entire lung and has a 75 percent mortality rate. Hemothorax often occurs with pneumothorax. Hemothorax rarely occurs with simple rib fractures. None of the above.
pg 199 Hemothorax rarely occurs with simple rib fractures.
34
Distant or absent breath sounds heard during auscultation of the chest and the signs of shock are suggestive of which pathology?
pg 199 Hemothorax
35
Which of the following problems would most likely result in a chest area that is dull to percussion?
pg 199 Hemothorax
36
Your patient has received chest trauma yet did not initially present with crackles. However, as the assessment continues, they are heard in both the lower lung fields. This condition is most likely a result of which of the following?
pg 200 Pulmonary contusion
37
T/F - Extensive pulmonary contusions may account for blood losses up to 1,500 mL.
pg 200 True
38
The most common cause of blunt cardiac injury is
pg 200 blunt anterior chest trauma.
39
A patient presents with the signs of shock, jugular vein distention, distant heart sounds, and a narrowing pulse pressure. The lung fields are clear. Which condition is most likely the cause?
pg 200 Pericardial tamponade
40
Pericardial tamponade occurs with what frequency in serious chest trauma patients
pg 201 Less than 2 percent of the time
41
What are signs of pericardial tamponade?
pg 202 Pulsus paradoxus Hypotension A narrowing pulse pressure Distended jugular veins
42
A decrease in jugular vein distention during inspiration is known as
pg 202 Kussmaul's sign.
43
A blood pressure drop of more than 10 mmHg with inspiration is known as
pg 202 pulsus paradoxus.
44
T/F - If the chamber of the heart is significantly damaged yet does not rupture immediately, it is likely to rupture in around two weeks.
pg 202 True
45
Your patient was involved in a lateral-impact auto collision. The car is greatly deformed, though the patient does not have many signs of injury. During your assessment, he complains of a tearing sensation in his central chest and numbness in his left upper extremity. Your highest index of suspicion of injury is for
pg 203 Aortic dissection
46
What percentage of patients with traumatic aortic dissection will survive the initial impact and injury?
pg 202 As high as 20 percent
47
In a patient with a history of blunt lateral trauma and a suspected traumatic aortic dissection, which signs or symptoms would you expect to find?
pg 203 Severe, tearing chest pain Pulse deficit between extremities Reduced pulse strength in the lower extremities Hypertension
48
A harsh systolic murmur is heard over the central chest. This is suggestive of which pathology?
pg 203 Traumatic aortic dissection
49
T/F - The right side is the site of most diaphragmatic ruptures because most assailants are right-handed.
pg 203 False
50
The traumatic diaphragmatic rupture is likely to present like which of the following thoracic injuries?
pg 204 Tension pneumothorax
51
The two major problems associated with traumatic asphyxia are restriction of chest excursion and
pg 204 restriction of venous return.
52
The classic signs of traumatic asphyxia are?
pg 204 Bulging eyes Conjunctival hemorrhage Petechiae of the head and neck Dark red or purple appearance of the head and neck
53
Serious penetrating trauma will likely require what Standard Precaution procedures?
pg 205 Gloves Mask Face shield Gown
54
During your assessment of a supine patient with blunt chest trauma, you notice slight jugular vein distention. With no other signs of injury, this suggests which of the following?
pg 206 A normal patient
55
Crackles heard during auscultation of the chest are suggestive of which pathology?
pg 206 Pulmonary contusion
56
Hyperresonance heard during percussion of the chest is suggestive of which pathology?
pg 207 Tension pneumothorax & pneumothorax
57
Which of the following thoracic structures takes the least energy to fracture and often results as a more common, yet less serious, thoracic injury?
pg 207 Ribs 4 through 8
58
A patient who displays subcutaneous emphysema is most likely to have which of the following conditions?
pg 207 Tension pneumothorax
59
T/F - Overdrive ventilation (bag-valve masking) of the patient with flail chest will cause the flail segment to move with, rather than in opposition to, the chest wall.
pg 209 True
60
Which of the following is an indication for the use of IV infusion? ## Footnote A. Diaphragmatic rupture B. Penetrating chest injury C. Chest trauma with a blood pressure below 80 D. Chest trauma with a blood pressure below 50 E. Suspected pericardial tamponade
pg 209 C. Chest trauma with a blood pressure below 80
61
T/F - Meperidine, diazepam, or morphine may be given to the minor rib fracture patient to reduce pain and increase respiratory excursion.
pg 209 True
62
The patient who is suspected of a flail chest or other thoracic cage injury, without suspected spine injury, should be positioned
pg 209 on the injured side.
63
The open pneumothorax should be cared for using which of the following techniques? ## Footnote A. Pack the wound with a sterile dressing. B. Cover the wound with an occlusive dressing and tape securely. C. Cover the wound with an occlusive dressing, taped on three sides. D. Attempt to close the wound with a hemostat and then cover with a sterile dressing. E. Cover the wound loosely with a sterile dressing.
pg 210 C. Cover the wound with an occlusive dressing, taped on three sides.
64
Which location is recommended for prehospital pleural decompression?
pg 210 2nd intercostal space, midclavicular line
65
A few minutes after you have inserted a needle and decompressed a tension pneumothorax, you notice that a patient's dyspnea is getting worse and breath sounds on the injured side are becoming diminished. Which action would you take?
pg 210 Insert a second needle.
66
A patient is trapped in a wrecked auto for about half an hour and is suspected of having traumatic asphyxia. Care should include?
pg 212 Two large-bore IVs Normal saline or lactated Ringer's solution Fluids run rapidly Consideration of sodium bicarbonate