Med Center ID (abcd12)
Regarding the literature for thoracic US, which of the following statements is FALSE?
Ultrasound is more sensitive than supine chest radiograph for detecting pneumothorax
Thoracic US has a higher sensitivity and diagnostic accuracy than auscultation and supine chest radiograph in detecting pleural effusion/PNA/pulmonary edema in intubated patients
Sensitivity of lung ultrasound for identifying pleural effusion is similar when patient is supine versus upright
Thoracic ultrasound can diagnose and monitor high altitude pulmonary edema
Please the below image to answer the following questions.
Taking into the account the correct orientation of the probe on patient when performing lung ultrasound, which of the following is TRUE?
A = Anterior, B = Superior, C = Inferior, D = Posterior
A = Anterior, B = Left side of patient, C = Posterior, D = Right side of patient
A = Anterior, B = Right side of patient, C = Posterior, D = Left side of patient
A = Anterior, B = Inferior, C = Posterior, D = Superior
What are the letters D, E, F, and G labelling?
Which of the following statements is FALSE regarding lung ultrasound?
A low frequency probe is preferred for evaluating lung tissue, while a high frequency probe is preferred for evaluation of the pleural line
When scanning the chest, the probe should be in the longitudinal position with indicator towards the patient's head
Lung scanning zones 1 and 5 are best for identifying pulmonary effusion, while zones 4 and 8 are best for pneumothorax
"Hepatization" of the lung can be seen with any form of lung consolidation
When scanning the lungs it is important to remember that there are often multiple of examples of pathology simultaneously
Regarding lung ultrasound and ultrasound imaging artifacts, which of the following statements is FALSE?
Understanding ultrasound imaging artifacts is integral to understanding lung ultrasound
An area of consolidation isolated to the middle of the right upper lobe should be easily visualized with lung ultrasound
Reverberation artifact is seen when two or more strong reflectors are in the path of an ultrasound beam and an example of this is a "B line"
Mirror artifact is when you see similar structures on both sides of a highly reflective surface such as the diaphragm due to incorrect interpretation by the ultrasound machine
Which of the following statements is FALSE?
Z and B lines are both linear artifacts and can be referred to as "comet tails"
A lines are horizontal reverberation artifacts that are equally spaced apart
The number of B lines decreases as the lung aeration increases
B lines obliterate A lines, can be normal at the base of the lung, extend to the bottom of the screen, and don't move with lung sliding
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