What is severe restrictive ventilatory defect?

Severe restrictive ventilatory defect is a condition in which the lungs are unable to expand fully, resulting in a decrease in lung volume and airflow. This can be caused by a variety of conditions, including:

- Kyphoscoliosis

- Ankylosing spondylitis

- Neuromuscular disorders such as muscular dystrophy and polio

- Obstructive sleep apnea

- Pneumothorax

- Pleural effusion

- Pulmonary fibrosis

- Sarcoidosis

- Obesity

Symptoms of a severe restrictive ventilatory defect may include:

- Shortness of breath

- Wheezing

- Chest pain

- Cough

- Fatigue

- Difficulty exercising

- Cyanosis (a bluish discoloration of the skin)

Treatment for a severe restrictive ventilatory defect depends on the underlying cause. Treatment may include:

- Oxygen therapy

- Bronchodilators

- Steroids

- Pulmonary rehabilitation

- Surgery