His chest X-ray showed a
normal cardiac and mediastinal silhouette, with proper placement of endotracheal tube and
clear lung fields. His serum osmolality was 384 mosmol/kg, but his serum alcohol level was
non-detectable and his volatile alcohol screen was negative. His electrocardiogram (EKG)
(Fig. 1) showed the dynamic changes of widening of the QRS complexes and inversion of
the T waves in the precordium.