Now, more number of people step up to fulfill their social and moral responsibilities if they see someone suffering from cardiac arrest in front of them. They no more wait for ambulance to come and take the patient to hospital and provide the sufferer cardiopulmonary resuscitation (CPR). This is resulting in improved outcome of the fatal condition.

Two new studies have stated the same. Dr. Carolina Malta Hansen of the Duke Clinical Research Institute in Durham, North Carolina, lead researcher of one of the studies, said that survival with good brain function has increased by 37%, an encouraging sign.

When a person suffers from cardiac arrest then his heart is not beating, so there is no circulation. In that scenario, he needs CPR so that blood continues to flow throughout the body. The researchers have based their findings on data of nearly 5,000 people who had suffered cardiac arrest from 2010 to 2013 outside hospital settings.

In total, around 86% received CPR before they reached hospital and out of them, 46% had received CPR from bystander and 41% from first responder like a police officer or firefighter. During the four years period, the percentage of people receiving CPR from bystander has increased.

In the second study, Japanese researchers studied the data of nearly 168,000 out-of-hospital cardiac arrest cases. From it, they came to know that bystander responses improved from 2005 to 2012.