text_1: This morning I asked my partner, who does treadmills, about a 58-year-old man who complained of typical chest pain and dyspnea.  My question was how should we approach this chest pain.  Should we send him to the cardiologist for further testing, or should we say the treadmill done three years ago was sufficient and work him up for gastroesophageal reflux disease or other causes.
text_2: What are the indications for getting a digoxin level?