There are many different errors that can happen in a medical ventilator. The medical ventilator could just freeze up and stop working for example.

Stephen hales

Ventilator associated pneumonia does require a person to be hospitalized. The ventilator is a large, expensive machine that requires medical professionals to use the machine.

Ventilators assist in air movement. In medical equipment a ventilator helps a patient breathe. In a home, a ventilator is used to keep air moving through a space to prevent moisture build-up and excessive temperature conditions.

A negative pressure ventilator, often referred to as an iron lung can be defined as a form of medical ventilator medical that enables a person to breathe when normal muscle control has been lost or the work of breathing exceeds the person's ability. The iron lung was replaced by respirators and nebulizers.