Test 4 Flashcards
What is the rule of 6 when it comes to estimating how far to tape the ETT?
Convert lbs to kg, then add 6
How do you treat a pneumothorax of less than 25%?
100% Oxygen
What is the minimum flow range for the OxyHood?
7 LPM
What is the best flow range for the OxyHood?
10-12 LPM
What causes PIE?
- The use of high PEEP and PIP
- Prolonged inspiratory times
What is another name for bronchopulmonary dysplasia (BPD)?
Neonatal Chronic Lung Disease
How long does long term exposure to high concentrations of O2 lead to BPD?
Causes edema and thickening of the alveolar membrane
What is another name for pulmonary dysmaturity?
Wilson-Mikity Syndrome
Pulmonary dysmaturity is similar to BPD with the exception of what?
The infant has NOT been ventilated
If both parents are carriers of CF, what is the likelihood of the child being a carrier?
50%
If both parents are carriers of CF, what is the likelihood of the child having CF?
25%
If both parents are carriers of CF, what is the likelihood of the child being CF negative?
25%
What are the four densities that are distinguished on CXR?
- Air (black)
- Bone (white)
- Fluid (gray)
- Tissue (grayer)
What are the radiologic findings for the following disease?
Respiratory Distress Syndrome
- Fine reticulogranular patterns
- Ground glass or a frosted glass appearance
- Bilateral opaque white density or βwhite-outβ
- Air bronchograms
- No pleural fluid
What are the radiologic findings for the following disease?
Atelectasis
- Elevated diaphragm on affected side
- Mediastinal shift towards affected side
- Decreased intercostal spaces
- Possible hyperinflation of the adjacent lung lobes or of the opposite lung.
What are the radiologic findings for the following disease?
Transient Tachypnea of Newborn
- Possible hyperaeration
- Small amount of pleural fluid
- Symmetrical, stringy infiltrates in the hilar region
What are the radiologic findings for the following disease?
Neontal pneumonia
- Diffuse lung markings
- Excessive pleural fluid
- Consolidation
What are the radiologic findings for the following disease?
Meconium Aspiration Syndrome
- Bilateral infiltrates
- Evidence of air trapping
- Atelectasis distal to the occlusion
- Pleural effusion
- Signs of edema and inflammation
What is the purpose of X-rays?
- To confirm pathologic processes related in history or physical
- Evaluate placement of tubes and lines
- Observe progression of disease or effectiveness of therapy
In order to fully visualize an abnormality in the chest of a patient what two views are required?
- Frontal (PA)
- Lateral view
For patients who cannot leave the bed, what view is done?
AP view
On patients who can stand and walk, what CXR view is taken?
PA view
What is the preferred chest x-ray view on any newborn or intubated pediatric patient?
AP
The heart lies more _______ in the chest, it will appear ________________ on an AP film than PA.
anterior ; larger
What does frontal views help identify?
Whether an abnormality is on the right or left side of the chest
What does lateral views help identify?
Abnormalities position (anterior or posterior)
A heart may appear to be enlarge if the distance is greater than ____ feet from the target.
6
In a neonate, where is the carina?
Near the level of the third vertebrae
By age 10, where is the carina typically at?
Near the level of the fifth vertebrae
The thymus is a gland located in the mediastinum extending from the lower edge of the thyroid gland in the neck near which rib?
Fourth
On an x-ray, the thymus appears what?
Less dense than the heart, but more dense than lung tissue.
The size of the thymus in relation to rest of body is largest at what age?
Two
The thymus is often triangular shaped and is called the β________________________.β
Sail sign
The thymus is often confused with the heart border and can even appear as _______________.
Upper lobe atelectasis or pneumonia
The heart should be centered but slightly to the:
a. Left
b. Right
a. Left
If a stomach bubble is present, which side should it be on?
Your right as you look at the film
What does it mean when the spaces between the vertebrae are not visible?
Too little energy was used; underexposed film
Many normal infants have been misdiagnosed as having a __________________, when the only issue was an upside-down film.
Diaphragmatic hernia
What does it mean when the intervertebral spaces are excessively dark?
Too much energy was used; overexposed film