A USPS tracking number is a series of numerals allocated to individual parcels by the United States Postal Service to keep a record of where parcels are once they are shipped. A USPS tracking number consists of 22 numerals. Continue Reading.
How to listen to lung sounds. As he places the stethoscope on your back, the doctor says, Take a deep breath.. As an RT who has listened to the lung sounds of over 10,000 patients, I will tell you that having a patient take in a deep breath is not the ideal way to listen to lung sounds. Ideally, you want the patient to breath normal. The reason is you want to hear what a patent's lungs sound like when he is breathing normal.
This is called auscultation. Normal lung sounds occur in all parts of the chest area, including above the collarbones and at the bottom of the rib cage. Using a stethoscope, the doctor may hear normal breathing sounds, decreased or absent breath sounds, and abnormal breath sounds. Absent or decreased sounds can mean: 1  Air or fluid in or around the lungs (such as. , , 2  and). 3  pneumonia. 4  heart failure. 5  pleural effusion. 6  Increased thickness of the chest wall.