Operator Good afternoon. And welcome to Shockwave's first-quarter 2021 earnings conference call. [Operator instructions] As a reminder, this call is being recorded for replay purposes. I would now like to turn the call over to Debbie Kaster, vice president of investor relations at Shockwave, for a few introductory comments. Debbie Kaster -- Vice President of Investor Relations Thank you, all, for participating in today's call. Joining me today from Shockwave Medical are Doug Godshall, president and chief executive officer; Isaac Zacharias, chief commercial officer; and Dan Puckett, chief financial officer. Earlier today, Shockwave released financial results for the quarter ended March 31, 2021. A copy of the press release is available on Shockwave's website.