Screening May Help Prevent Tuberculosis

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Screening the contacts of tuberculosis-positive children is effective in identifying others exposed to the disease, according to a report in a recent issue of the Pediatric Infectious Disease Journal. Experts say the data have important policy implications

Streptococcus Pneumoniae Treatment

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According to Dawn F. Muench, MD, and Michael Rajnik, MD, Uniformed Services University of the Health Sciences, Streptococcus pneumoniae causes community-acquired pneumonia (CAP), bacterial meningitis, bacteremia, otitis media (ear infection), sinusitis, septic arthritis, osteomyelitis, peritonitis a

Signs & Symptoms of Bronchitis in Children

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Bronchitis is an illness that can cause a variety of symptoms, including a cough. The severity of bronchitis can vary greatly among children. Some children will quickly recover from bronchitis, while others may suffer the effects of the illness for multiple weeks. With treatment, most children will

Breathlessness

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Find WebMD's comprehensive coverage of breathlessness including medical reference, news, pictures, videos, and more.

How Does Cancer Change People for the Better?

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How often does cancer change people in positive ways? Medical research tells us posttraumatic growth happens for most people with cancer.

Lung Injuries

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Lung injuries may be severe if not treated immediately. WebMD describes some types of lung injuries and what can cause them.

Home Lung Function Test

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A home lung function test uses a peak flow meter to monitor and evaluate any breathing problems you may have on a daily basis.

Whooping Cough Shot Targets Youths, Adults

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A new booster shot for whooping cough (pertussis), diphtheria, and tetanus appears to work in adolescents and adults, and it's as safe as older versions.

How the Lungs and Respiratory System Work

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WebMD explains how your lungs and respiratory system work by taking in air, removing oxygen and breathing out carbon dioxide.

22 Mysterious Pneumonia Cases in U.S.

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The number of suspected cases of the mysterious pneumonia illness called SARS (severe acute respiratory syndrome) in the U.S. has now grown to 22 across 12 states.

The History of EKG Machines

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The electrocardiogram (EKG) was developed in the early 1900s by way of inventions from Aloysio Luigi and Willem Einthoven from the two previous centuries. The EKG reads the electronic pulses of the heart to record the workings of each ventricle and chamber.

How Much Air Can Your Lungs Hold?

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Every minute, without your conscious thought, your brain tells your body to take in oxygen. Although the air we breathe is mostly made of nitrogen, the oxygen content is what we need most. An angry toddler may hold his breath until he passes out. Oxygen is so important for us that the angry child's

Surveillance Cultures in Healthcare-Associated Pneumonia

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Are we getting a good return on surveillance cultures for healthcare-associated pneumonia?

What Does the Term Prevalence Mean in Medicine?

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Prevalence is an important term to understand when looking at disease research. What is the definition of prevalence?

How to Listen to Lung Sounds

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Auscultation refers to the process of listening to the sounds inside the body, including the lungs, to diagnose problems. Using a stethoscope, a doctor can listen to bronchial and vesicular breathing. Bronchial breathing can be heard along the trachea and under the collarbone through the chest or un

A COPD Biopsy Trial With Roflumilast

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How well does roflumilast reduce the characteristic inflammation of COPD in patients with moderate-to-severe COPD?

Study: 1 in 4 People Likely to Develop COPD

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About one in four adults ages 35 and over can be expected to develop chronic obstructive pulmonary disease (COPD), new research suggests.

Pulmonary Embolism

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Find WebMD's comprehensive coverage of pulmonary embolism, including medical reference, news, pictures, videos, and more.

High Prevalence of Altered Cardiac Repolarization in COPD

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Find out more about the mechanisms that lead to altered cardiac electrophysiology in COPD.

What Is Pancytopenia and What Causes It?

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What is pancytopenia, and what kinds of blood cells are affected?