Not Just Another Cause of Dyspnea: Common Complaint Leads to a Rare Diagnosis

Table 2

Comparison of respiratory parameters before and after 5 doses of 0.4 g/kg/day IVIg therapy.

	Before IVIg	After IVIg
pO2	60 mm Hg	69 mm Hg
pCO2	58 mm Hg	48 mm Hg
sO2	90%	98%
Bicarbonate	36.3 mEq/L	32.6 mEq/L
Vital capacity	O.7 l	1.5 l
NIP	−25 cm H2O	−40 cm H2O