3.5K views · 22 reactions | “Time is of the essence when someone suffers a cardiac arrest. We are talking about minutes. And minutes do matter,” says Lenny Weiss, MD, Emergency Medicine at UPMC. Watch as Lenny walks Pittsburgh Steelers CB Levi Wallace through how to do hands-only CPR and how to use an automated external defibrillator (AED). By knowing what to do and acting fast, you have the power to help save someone’s life. | UPMC | Facebook