A low Edi signal may be caused by which of the following?

When performing a modified allen’s test on a patient, you should hold down on the both of the ulnar and radial arteries and then let off of which artery to confirm collateral circulation?

An increasing PIP may indicate which of the following?

An absolute contraindication to PEEP is which of the following?

Which of the following are results you would expect to see with an obstructive diseases on spirometry? I. increased FEV1 II. increased RV III. decreased FEV1/FVC IV. decreased TLC

Most post-operative patients can be ventilated as a healthy individual and the goal is to wake from sedation and get off of the ventilator as fast as possible. 

You notice on the flow/volume loop that there is a saw tooth pattern on the expiration branch, what does this indicate to you?  

Which of the following are side effects of Heliox therapy? I. volume induced lung injury results when heliox is used with ventilator not FDA approved for it II. causes erroneous flowmeter readings when giving bronchodilator with heliox III. oxygen analyzer must be used to ensure FiO2 being delivered to patient IV.  thermal conductivity of helium can cause hypothermia for infants receiving heliox via an oxyhood

Your pt is being ventilated with a nasal mask to relieve dyspnea.  He has a long history of COPD and hypercarbia.  What is the goal of noninvasive ventilation in this setting with regard to the ABGs?

Paralytics are used to facilitate invasive procedures, to prevent movement, ensure the stability of artificial airways, and facilitate less conventional mechanical ventilation modes.