You are called to urgently intubate a 65-year-old man in cardiogenic shock and respiratory failure who has recently undergone a below the knee amputation for gangrene of the lower extremity. After the administration of propofol 100 mg and succinylcholine 100 mg IV in rapid sequence fashion, there is no palpable pulse. Cardiopulmonary resuscitation begins with chest compressions and ACLS therapies are instituted. Which of the following methods to evaluate endotracheal tube placement is MOST appropriate for confirmation in this scenario?

A) Auscultate for bilateral breath sounds
B) Detection of ETCO2
C) Do nothing as to avoid getting in the way of chest compressions
D) Repeat direct laryngoscopy to visualize ETT placement through vocal cords