 She was instructed to take between one and two K-Tab with her evening dose of Lasix (10 to 20 mEq).,In addition, we will obtain a complete set of pulmonary function studies to evaluate this patient for underlying causes of parenchymal lung disease that may interfere with oxygenation. 
She was instructed to take between one and two K - Tab with her evening dose of Lasix ( 10 to 20 mEq).,In addition , we will obtain a complete set of pulmonary function studies to evaluate this patient for underlying causes of parenchymal lung disease that may interfere with oxygenation .