Dr. Mark R. Villeneuve MD

Recommended Articles

• What is Cystic Fibrosis?

  Cystic fibrosis is a life-threatening, inherited disorder, which affects the secretory glands producing mucus and sweat. Fluids secreted by the glands are usually thin. In this disease, the secretions become thick and sticky and block all passageways and ducts, particularly of the lungs and...

• Pulse Oximeter Use for Patients with COPD

  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...

• COPD: Definition, Epidemiology & Etiology

  Our respiratory system is a complex machine comprised of small parts that ensure its smooth functioning. Even a small hindrance in any of the links can cause a complication in the respiratory system, which could result in severe health issues.There are many types of respiratory diseases, the most...

• What Is Pleurisy: Get the Facts

  What is pleurisy?The pleural membrane is a very thin membrane that surrounds your lungs. It has two layers:...

• What Is Bronchitis?

  Bronchitis is inflammation of the cells lining your bronchial airways. Bronchitis affects males more than the females. Bronchitis can be due to an infection (viral or bacterial in origin), inhalation of smoke, dust or any other irritating substance....

• RSV Symptoms

  What is RSV?RSV or respiratory syncytial virus is a common virus that usually affects the respiratory tract. It can cause colds in adults and older children, but may cause serious lung infections, such as pneumonia or bronchiolitis in babies and immunocompromised individuals. CausesRSV is only...