The doctor will examine the patient's chest in order to determine the rate and depth of breathing, the effort required, the condition of the patient's breathing muscles, and any evidence of chest deformities or trauma. He or she will listen for wheezing, stridor, or signs of fluid in the lungs.
the International System of Units (abbreviated SI from the French SystÃ¨me international d'unitÃ©s) is the modern form of the metric system and is generally a system of units of measurement devised around seven base units and the convenience of the number ten.
The base unit in the International System of Units (SI) is the metre, defined as the length of the path travelled by light in vacuum during a time interval of 1/299,792,458 of a second.. It is approximately equal to 1.0936 yards. Other units are derived from the metre by adding prefixes from the table below: