Most Popular Cardiology Technology Content in February 2021 The two biggest cardiac device technology stories in February included the Boston Scientific recall of its S-ICD system, and the FDA clearance of the Shockwave intravascular lithotripsy system to break up calcified lesions in the coronary arteries. March 1, 2021 — Here is the list of the most popular content on the Diagnostic and Interventional Cardiology (DAIC) magazine website from the month of February 2021. This is based on the website’s 676,038 pageviews for the month.