Paramedics are seen at the Dartmouth General Hospital in Dartmouth, N.S. on July 4, 2013. It seems that hospital emergency visits spiked after a large recall of contaminated blood pressure and heart medications last year. A study by the non-profit group Institute for Clinical Evaluative Sciences says emergency department visits by hypertension patients jumped 55 per cent in the month after Health Canada recalled some valsartan products. THE CANADIAN PRESS/Andrew Vaughan