Pulmonary Function Diagnosis

I had my reading done again and they were FEV1 (L) 64% pred. and after bronkilator it was 77% myFEF25-75% was 38% after bronkilator it was 56% are this good readings.

[LLWB]

These readings indicate that you are having trouble breathing. Have you been diagnosed with COPD? Has the dr perscribed bronchodialators for your condition?   Those numbers mean 64% and 77% of normal breathing for the general population.  So no, those numbers are not good.