You are called to the scene of a patient complaining of difficulty breathing You arrive to find a 62-yearold male sitting forward in a chair and obviously anxiousUpon assessment, respiratory rate is 36 shallow and labored. The patient's heart rate is 120 weak and irregularYou also note his skin is slightly cyanotic centrally and significantly cyanotic peripherally From the followingselect the most critical assessment you should perform on this patient Assess lung sounds bilaterally Check the patient's glucose level Obtain the pulse oximetry reading Perform a quicklook with the paddles or pads