CT showing air around the Heart. Most interesting physical exam finding: Hamman’s crunch. The heart beating with surronding mediastinal air.

The patient complained of a fullness in the low neck, there is air there as well. Etiology: Coughing from Influenza A.

Just finished #reanimate4. A very solid meeting, pushing the envelope in ED resuscitation— cardiac arrest (e-cpr) and Reboa