<prompt> Patient presents with SP02 69, BP 10060 mm Hg, HR 120 beats per minute.What should be the first step in management of this patient?Secure airway and O2 supplementationStart bolus IV fluid infusionInjection bicarbonateInjection Epinephrine iv  <response>: Ans. is a i.e., Secure airway and O2 supplementation Patient has hypoxemia probably due to hampered breathing, thus as per the rules of resuscitation ABC it is essential to secure airway first and begin O2 supplementation. 