Cornell
HM-POCUS

Hospital Medicine Point of Care Ultrasonography

Question 1: Which of the following statements is TRUE:

Absence of lung sliding is pathognomonic for pneumothorax
Lung sliding is created by the movement of the parietal pleura across the chest wall
Lung sliding is routinely seen after pleurodesis
Lung pulse rules out pneumothorax at the site of the exam

Question 2: A 57-year-old smoker presents with shortness of breath. He is hypoxemic in the emergency room. The following is seen on lung ultrasound of the anterior chest wall with the patient sitting up. Which of the following is the least likely etiology for this patient’s hypoxemia?

Acute Respiratory Distress Syndrome (ARDS)
Viral Pneumonia
Cardiogenic pulmonary edema
COPD exacerbation

Question 3: A 57-year-old smoker presents with shortness of breath. He is hypoxemic in the emergency room. The following is seen on lung ultrasound of the anterior chest wall with the patient sitting up. Which of the following is the least likely etiology for this patient’s hypoxemia?

Spontaneous pneumothorax from bullous disease
COPD exacerbation
Pulmonary embolus
Viral Pneumonia

Question 4: In order to confidently determine that anechoic fluid seen on thoracic ultrasound is a pleural effusion, all the following are required EXCEPT:

Dynamic signs
Chest wall
Diaphragm
B-lines