Title: What's the Diagnosis? Case by Dr. Ben Smith (@ultrasoundjelly)<br/>Author: Haney Mallemat<br/><a href='http://umem.org/profiles/faculty/785/'>[Click to email author]</a><hr/><p>   30 year-old patient presents with palpitations. A parasternal long-axis clip is shown below along with the rhythm strip. What's the diagnosis and what drug was given during this clip? </p>  <p style="text-align: center;">   <img alt="" src="https://umem.org/files/uploads/content/pearls/visual_diagnosis/SVT_whatsthedx.gif" style="width: 550px;" /></p>  
                <div align='center'>
                <a href='http://www.umem.org/educational_pearls/2806/' target='_blank'><b>CLICK TO VIEW ANSWER</b></a><br/>
                (Must disable pop-up blocker to open new window)
                </div>