CT scan COPD

CT scan COPD CT scan COPD is more sensitive and specific than chest radiography to detect Emphysema. The first imaging tool used for lung parenchyma remains that of the chest radiograph. It is the best in terms of the amount of information it can provide relative to its price and radiation dose, accessibility as well as […]

Obstructive ventilatory defect

Obstructive ventilatory defect Medically reviewed by A Ras MD.  Last updated March 30, 2022  Obstructive ventilatory defect (OVD) is typically described by a lower ratio between the first forced expiratory volume as well as the “forced/slow” vital capacity [FEV 1/(F)VC] The test is usually performed via the lung function test. It assists in diagnosing chronic […]