Dr. Michael Guttenberg, Northwell Health's medical director of clinical preparedness and Center for Emergency Medical Services (CEMS) died on Tuesday morning.
Cardiac & Resuscitation

The mass shooting, which occurred during the final act of a three-day outdoor music festival near the Mandalay Bay Casino on the Las Vegas Strip, has been reported to have killed at least 50 people, including two off-duty police officers, and wounded more than 200 others.