Cardiac Arrest Management Cardiac arrest occurs suddenly and often without warning and is NOT the same as a heart attack. The care team at Lehigh Valley Health Network is skilled at rapid and effective interventions if you are suffering from cardiac arrest. More Information More Home Doctors Home Doctors No clinicians found Please try a new search Start a New Search Need help finding the right clinician? We're here to help! Contact Us Online or at 888-402-LVHN (5846) Hours: Monday-Friday, 7 a.m.-8 p.m. Saturday-Sunday, 9 a.m.-5 p.m.