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Bronchoscopy Overview A bronchoscopy is a medical test that lets doctors look into the patients lungs and airways. The procedure uses a thin tube with a small camera and light at the end. The doctor inserts it through the patients nose or mouth, down the throat into...

Bay Biosciences provides high-quality biopsy tissue samples, formalin fixed paraffin embedded (FFPE) tissue blocks, with matched fresh frozen sera (serum), plasma, and peripheral blood mononuclear cells (PBMC) bio-fluids, from patients diagnosed with ulcerative...

Heart Failure Overview Heart failure also known as congestive hear failure is a chronic, progressive condition, which is characterized by the heart’s inability to pump an adequate supply of blood to the body. Without sufficient blood flow, all major body functions are...

Sleep Apnea Overview Sleep apnea is a serious sleep-related breathing disorder that happens when a person's breathing is interrupted during sleep. Untreated sleep apnea causes breathing to stop repeatedly during sleep, causing loud snoring and daytime tiredness, even...

Pulmonary Function Tests (PFTs) Overview Lung function tests (also called pulmonary function tests) include a variety of tests that check how well the lungs work. The most basic test is spirometry. This test measures the amount of air the lungs can hold. The test also...

Mucus Overview Mucus is a sticky, gelatinous material that lines the lungs, throat, mouth, nose, and sinuses. It is a normal, watery, slippery and stringy fluid substance produced by many lining tissues in the body. It is essential for body function and acts as a...

Emphysema Overview Emphysema is a form of chronic (long-term) lung disease in which the air sacs (alveoli) may be get damaged. The air sacs weaken and eventually break, which reduces the surface area of the lungs and the amount of oxygen that can reach the...

Wheezing Overview Wheezing is a high-pitched whistling sound that happens when a person breathes. It’s caused by narrowed airways or inflammation. Wheezing is the shrill whistle or coarse rattle you hear when your airway is partially blocked. Wheezing is usually a...

Bronchitis Overview Bronchitis is an Inflammation, irritation and swelling of the lining of the main bronchial tubes (bronchi), which carry air to and from the lungs. Patients with bronchitis have swelling and inflammation in their bronchial tubes, the air passages...

Dark Colored Urine Overview Normal urine color ranges from pale yellow to deep amber color,  the result of a pigment called urochrome and how diluted or concentrated the urine is. Many different things, including some medical conditions, can affect the color of urine....