Heartport Inc.

Obstructive sleep apnea (OSA) is a common, devastating and costly condition. It affects an estimated 100 million people worldwide, of whom 18 million are in the US alone, and its societal costs are hu

Most current cardiac diagnostic imaging tests are highly inexact, relying heavily on clinicians' observations. HeartFlow is adapting advanced computer modeling to cardiology to produce a precise, pred

The former head of Medtronic talks about negotiating with Dennis Kozlowski and other ethical challenges confronting corporate leaders today. by David Cassak and Stephen Levin At a time when US industr

A start-up shifts gears, hoping its connectors help jump start off-pump surgery. But will this convince surgeons to embrace this lagging approach? by Stephen Levin Revolutions in clinical practice pat