Dr. Barry William Levine MD

Sputum is a combination of mucus coughed up from the respiratory tract and saliva. It is usually a result of diseases or infections. Phlegm and sputum are often interchangeably used. Sometimes, the term mucus is used when referring to sputum or phlegm. However, mucus is also produced in the...

It is clear that smoking is one of the greatest risks for chronic obstructive pulmonary disease (COPD); however, there are other factors, such as second hand smoking (wherein you get the effects of smoking by getting exposed to it even if you do not smoke), contact with pollution, genetic...

Pneumonia is an infection of the lung tissue, which can be caused by bacteria, viruses, and fungi. There are two types of pneumonia: lobar pneumonia and bronchopneumonia. Lobar pneumonia is when an entire lobe or more than one lobe of the lung gets involved. Bronchopneumonia happens when the bronchi...

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...

What is Bronchitis?Bronchitis is an inflammation of the lining of the bronchial tubes. Bronchial tubes carry the air to and from the lungs.The disease can be either acute or chronic:...

IntroductionOur lungs are one of the hardest working organs in the body. Each minute, our lungs expand and contract up to 20 times. This is done to exchange carbon dioxide with oxygen. An obstruction in this process is called as bibasilar atelectasis, which is a life-threatening condition. It...