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The underlying causes of sudden cardiac arrest can result from cardiac and non-cardiac etiologies. The most common underlying causes are different, depending on the patient's age. Common cardiac causes include coronary artery disease , non-atherosclerotic coronary artery abnormalities, structural heart damage, and inherited arrhythmias.
Traumatic cardiac arrest can occur in patients following any severe blunt or penetrating injury to the chest. Following the traumatic event, the heart ceases to pump blood through the body. Unlike medical cardiac arrest, there are several potentially reversible causes that may result in cardiac arrest in the setting of trauma.
Clinical death is the medical term for cessation of blood circulation and breathing, the two criteria necessary to sustain the lives of human beings and of many other organisms. [1] It occurs when the heart stops beating in a regular rhythm, a condition called cardiac arrest. The term is also sometimes used in resuscitation research.
Cardiac arrest happens when the heart’s electrical system malfunctions and the heart’s pumping stops. It can be caused by an arrhythmia, which is an irregular heart rhythm, or other conditions.
However, six patients in the study reported what the researcher called “transcendent recalled experiences of death,” or what many people think of as a near-death experience.
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In theory, atrioventricular blockade or sinus arrest due to profound parasympathetic dominance might result in syncope or sudden cardiac death, but these rhythms tend to be rapidly reversed by lung stretch receptor activation associated with breathing. As such, a vagally produced arrest scenario is likelier during entrapment submersion than in ...
Aug. 4—High-profile cases of young athletes seemingly at the pinnacle of health collapsing on the court or field after sudden cardiac arrest underscores a hazard in high school, college and pro ...