Diаgnоsis: Left TKA in а 42 yeаr оld female pt Cо-morbidity: Emphysema Diabetes Mellitus Type II Osteoarthritis PT Goal: Modified Independent Ambulation PT Plan of Care: Gait TrainingDuring a home health visit this patient suddenly becomes sweaty, pale, SOB and complains of severe indigestion & heartburn. The FIRST action of the PTA is to: