Respiratory Cases III

59 yo female (con't)


patient illustration

History

[Continuation of Previous Case, KU 59 yo female] Two hours after initiation of NPPV, KU appears to be reasonably comfortable, occasionally lapsing into sleep. Auscultation reveals wheezes on exhalation throughout both lungs. Arterial blood is obtained for analysis with the following results (drawn with the patient on IPAP 10, EPAP 5, FiO2 50%):

pH: 7.30; PaO2: 110
PaCO2: 69; SaO2: 100%
HCO3: 33; Hgb: 16.4