Sudden cardiac arrest (SCA) and sudden cardiac death (SCD) occur when the heart abruptly begins to beat in an abnormal or irregular rhythm . Without organized electrical activity in the heart muscle, there is no consistent contraction of the ventricles, which results in the heart's inability to generate an adequate cardiac output (forward pumping of blood from heart to rest of the body).
Receive is defined as to take, accept, experience or welcome. An example of receive is getting a letter in the mail. An example of receive is someone being given a gift. An example of receive is someone hearing bad news.
undergo verb [T]. âº to âexperience something that is âunpleasant or has a âstrong âeffect: He ârecently underwent âheart âbypass âsurgery. (Definition of undergo from the Cambridge Academic Content Dictionary Â© Cambridge University Press). See all translations.