My mother-in-law, age 89, with treated heart arrythmia, and on blood thinner Xerelto, is feeling a bit dizzy upon walking and not well . She has had dark stools for two days. We plan on halting Xarelto and aspirin tonight, doubling her multivitamin and feeding her anniron-rich meal until she can return to Huntington Hospital in Pasadena and her Cardiologist. She is upright, alert and fairly perky. Sound reasonable?