DESKi just released a product that could shift how hospitals approach cardiac ultrasound training. HeartFocus Link lets any existing cart-based machine deliver real-time AI instructions through a simple tablet and HDMI connection. The French company behind it aims to solve a stubborn mismatch between sophisticated equipment sitting in hospitals and the limited number of professionals skilled enough to use it for heart imaging. Cardiac ultrasound demands precise probe movements and pattern recognition that take months or years to master. Yet demand keeps climbing. Between 2011 and 2021 ultrasound exam volume in the U.S. jumped 55 percent, from 38.6 million to 59.8 million. The sonographer workforce expanded only 44 percent in that span. Training program capacity grew a mere 23 percent. The result? Echocardiography reaches just 8 percent of eligible hospitalized patients even though studies show it lowers mortality and improves outcomes.…