People die each year for cardiac arrest in the usa

 cardiac arrest is 326,200. The average survival rate is 10.6% and survival with good neurologic function is 8.3%. Nearly one in three victims survives when the arrest is witnessed by a bystander and about 40 percent of patients who receive CPR after experiencing cardiac arrest in a hospital survive immediately after being resuscitated, and only 10 to 20 percent survive long enough to be discharged

More than 600. i'm just guessing