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Sudden cardiac arrest (SCA) is the sudden loss of all heart activity due to an irregular heart rhythm. Breathing stops. The person becomes unconscious. Without immediate treatment, sudden cardiac arrest can lead to death.
Cardiac arrest is the abrupt loss of heart function in a person who may or may not have been diagnosed with heart disease. It can come on suddenly or in the wake of other symptoms. Cardiac arrest is often fatal if appropriate steps aren’t taken immediately.
Overview. Cardiac arrest is an electrical problem, unlike a heart attack. What is cardiac arrest? Cardiac arrest happens when your heart stops beating or beats so fast that it stops pumping blood. During cardiac arrest, people typically collapse and become unresponsive. Symptoms start without warning.
Cardiac arrest occurs when the heart suddenly and unexpectedly stops beating. Blood stops flowing to the rest of the body. People who survive cardiac arrest can have: Brain injury. Injury to internal organs. Psychological distress, like anxiety, post-traumatic stress disorder (PTSD), and depression.
Cardiac arrest is a sudden and severe medical emergency where the heart abruptly stops pumping blood, leading to an immediate loss of blood flow to vital organs, including the brain. This condition, if left untreated, can lead to sudden cardiac death. Cardiac arrest differs from a heart attack, although the two are often confused.
Cardiac arrest is a heart condition in which your heart stops beating. It can be fatal, but seeking treatments right away can increase your chances of survival.
Although a heart attack can lead to cardiac arrest, cardiac arrest is an electrical issue, where the heart stops beating properly. "When you have a heart attack, you're awake, and your heart is beating, and you don't need CPR," Newman said. "You just need to call 911 and get help. But with sudden cardiac arrest, their heart has stopped.