Dr. Rodney Lloyd Ying M.D.

Our lungs are separated from the chest cavity by a very thin membrane that folds onto itself, forming a two-layered membrane known as the pleura. Between the two layers is a small cavity known as the pleural membrane.This cavity is filled with a small quantity of lubricating fluid, the primary...

What is a barking cough?The medical term for a barking cough is croup. It is a medical condition that tends to irritate a child's upper airways. It can also be used to describe the inflammation of the larynx and trachea in children. There are a variety of reasons or inflammatory conditions, which...

Pulse oximeters measure the pulse rate of an individual, which is usually marked by a small heart. This is the first number that appears while using a pulse oximeter.  It also measures the proportion of oxygenated hemoglobin in the blood within pulsating vessels. This determines the level of oxygen...

A lung biopsy is a medical procedure which involves removal of a small piece of lung tissue to examine it closely under a powerful microscope. Lung biopsy can be done in 4 different ways. However, the method used depends solely on the overall body health and the place of the lung where the sample is...

Recent research shows that there is an increasing number of adults being diagnosed with cystic fibrosis. This information is leading scientists to believe cystic fibrosis is now just as much of an adult condition as a childhood condition. This increase has caused scientists and radiologists to...

Patients with COPD have a difficult time breathing properly, resulting in a lack of oxygen. Because of this lack of supply, the main concern that arises is that there is not enough oxygen transporting to vital organs.A lack of oxygen in the body can be fatal. It is considered the most salient...