text_1: Over 90-year-old inpatient with severe congestive heart failure on Coumadin.  She was having shortness of breath, and it was paroxysmal, so I got a ventilation-perfusion scan and this showed high probability for pulmonary embolus.  The question is, should she get a filter.  I didn't do her leg veins, but even if they were normal, should she get a filter?
text_2: What is the maximum dose of digoxin? (patient seen in emergency room, had digoxin level less than 0.03)