** Shares of Australia's EchoIQ EIQ.AX rise as much as 17.1% to A$0.72; on track to record their biggest intraday pct gain since January 22
** Stock at its highest level since March 12
** Medical tech firm announces agreement with U.S hospital firm Mayo Clinic in preparation for potential FDA clearance of EchoSolv HF
** EchoSolv HF is AI-based clinical decision-support software designed to help detect heart failure using echocardiography data
** Adds agreement enables Mayo Clinic to resell and distribute EchoSolv HF following FDA clearance
** Stock has risen 169.2% pct this year, including session moves
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com;))