Case #5 - A 65 year old male with a 2 day history of weakness, dizziness, and dyspnea on exertion. Resting tachycardia is noted on PE, and the CXR shows a mediastinal mass.

 

SD Mean 02 Sat.
RA (mmHg) 20 .71 CO (L/m) 4.0
RV (mmHg) 45/19 .71 SVR (units) 14.25 (1140)
PA (mmHg) 45/20 28 .72 PVR (units) 2.0 (160)
PCWP(mmHG) 20 .96
BP (mmHG) 90/70 77

 

FI02 pH P02 02 Sat. PC02
ABG .21 7.39 85 .85 38
Mixed Venous 7.38 40 .72 40
AV-02 Diff (Vol%)  4.8

What is the diagnosis?  Answer