Is oxygen inhalation machine useful for coronary heart disease?

Suggestion: Hello, oxygen inhalation is useful for patients with coronary heart disease. The cause of coronary heart disease is insufficient myocardial blood supply caused by vascular stenosis. Oxygen inhalation can increase patients' blood supply and improve ischemia. It is suggested that you can ask a specialist for specific treatment under the guidance of a doctor, and pay attention to follow up the changes of your condition.