A ventilator is a machine designed to move breatheable air into and out of the lungs, to provide respiration for a patient who is physically unable to breathe, or breathing insufficiently due to illness such as ALS, acute respiratory distress; often used in some surgical procedures and in the ICU.
|Purpose||Patients||Patients with evaluations||Perceived Effectiveness|
|ALS (Amyotrophic Lateral Sclerosis)||27||0||
|Shortness of breath (dyspnea)||2||1|
- Can't tell
|Course of treatment ended||6|
|2 years or more||19|
|2 years or more||0|