The allegation was that the death of a patient on the ventilator was declared in ICU without recording a flat ECG. Some patients' attendee made an allegation that the death of a patient on the ventilator was declared in ICU without recording a flat ECG. With reference to this allegation, I would like to ask the following questions: How often notes to be written in a seriously ill patient?

What all digital tracings needed to be preserved  in ICU setting? How often the attendees be allowed into ICU?