freeÂ·form. adj. 1. Having or characterized by a usually flowing asymmetric shape or outline: freeform sculpture. 2. Characterized by an unconventional or variable form: their own freeform teaching methods.freeâ²formâ² adv.reeÂ·form. adj. 1. Having or characterized by a usually flowing asymmetric shape or outline: freeform sculpture. 2. Characterized by an unconventional or variable form: their own freeform teaching methods.
SCA is a sudden and unexpected pulseless condition attributed to cessation of cardiac mechanical activity. It is usually caused by ventricular fibrillation, an abnormality in the heartâs electrical system. When SCA occurs, blood stops flowing to the brain, the heart, and the rest of the body, and the person collapses.
No. A heart attack is a condition in which the blood supply to the heart muscle is suddenly blocked, resulting in the death of the heart muscle. Heart attack victims usually (but not always) experience chest pain and usually remain conscious. Heart attacks are serious and sometimes will lead to SCA.