How does TB induce sputum?

Take a very deep breath and hold the air for 5 seconds. Slowly breathe out. Take another deep breath and cough hard until some sputum comes up into your mouth. Spit the sputum into the plastic cup.

What does induced sputum mean?

Sputum induction is a procedure to help a patient cough up secretions from the lungs more easily. The principle is to create extra moisture in the airways of the lungs. This will loosen and thin out secretions so they may be coughed up more easily.

Why is TB sputum collected in the morning?

Collection of early morning specimens is preferred because of the overnight accumulation of secretions; however, you may collect specimens at any time for patients who have a deep cough that is readily productive. Collect sputum in a sterile container for processing and examination.

What is sputum conversion in TB?

The sputum conversion rate (SCR) is the percentage of smear-positive pulmonary TB (PTB+) cases registered in a specified period that converted to smear negative status after the standard two months of the intensive phase of treatment.

How long does sputum induction take?

Place approximately 5 ml of 3% saline into the hand-held nebulizer. Set the flow at 6-8 L/min and nebulize saline for 7–10 minutes or until sputum is expectorated. The maximum nebulization time is 20 minutes. Note: More saline may be added to the nebulizer if more than 10 minutes is needed to produce an adequate cough.

What is sputum procedure?

To collect a sputum sample, you should do the following: Brush your teeth and rinse your mouth without using antiseptic mouthwash. Take a couple of long, deep breaths. Breathe deeply again and cough hard until sputum comes up. Spit out the sputum into the sample cup.

What happens if sputum test is positive?

A sample of sputum is added to a substance that promotes the growth of bacteria. If no bacteria grow, the culture is negative. If bacteria grow, the culture is positive. If TB bacteria grow, then the person has tuberculosis.

What is the purpose of sputum test?

A sputum culture is a test that checks for bacteria or another type of organism that may be causing an infection in your lungs or the airways leading to the lungs. Sputum, also known as phlegm, is a thick type of mucus made in your lungs.

How is induced sputum test done?

The sputum induction test is a painless procedure. It involves breathing in different concentrations of saline (mild salty water) through a nebuliser and then carrying out cough-like movements to produce a sample of sputum. There is no other way of collecting this sample.

How is a sputum test performed?

You will be asked to cough deeply and spit any phlegm that comes up from your lungs into a special container. The sample is sent to a lab. There, it is placed in a special dish (culture). It is then watched for two to three days or longer to see if bacteria or other disease-causing germs grow.