A closeup of the heart rate monitor while Hector is lying in his hospital bed indicates that his heart rate is 24 beats per minute. Moments later, his rate drops to zero and he dies. In reality, hospital staff would have installed a pacemaker to prevent his heart rate from falling so low.
Frank Cole drives a car into the water off of a dock that is not only wide enough and strong enough to hold a full-size car, but is also ramped up into the air. The next day the dock appears narrower, and is level.