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Sudden cardiac death (SCD) is defined as any death from a cardiac cause occurring within an hour of symptom onset. The term sudden cardiac arrest (SCA) refers to an event from which an individual is resuscitated or spontaneously recovers. Sudden…
In adults, bradycardia refers to a ventricular rate that is <60 beats This figure is somewhat arbitrary and does not necessarily connote disease. For instance, it is common to find healthy athletes with resting heart rates of approximately 40 beats…