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Online calculators are available that can compute predicted lung volumes, and other spirometric parameters based on a patient's age, height, weight, and ethnic origin for many reference sources. British rower and three-time Olympic gold medalist Pete Reed is reported to hold the largest recorded lung capacity of 11.68 litres; [ 16 ] [ 17 ] [ 18 ...
Metered-dose inhaler (MDI); the mouthpiece slots into the back of the spacer.. To use an inhaler without a spacer requires coordinating several actions in a set order (pressing down on the inhaler, breathing in deeply as soon as the medication is released, holding your breath, exhaling), and not everyone is able to master this sequence.
This gives the lower of the average rate at 12 breaths per minute. Average resting respiratory rates by age are: [11] [self-published source] [12] birth to 6 weeks: 30–40 breaths per minute; 6 months: 25–40 breaths per minute; 3 years: 20–30 breaths per minute; 6 years: 18–25 breaths per minute; 10 years: 17–23 breaths per minute
The Broselow Tape is designed for children up to approximately 12 years of age who have a maximum weight of roughly 36 kg (79 lb). The Broselow Tape is recognized in most medical textbooks and publications as a standard for the emergency treatment of children.
Due to natural variation, individuals pass through the Tanner stages at different rates, depending in particular on the timing of puberty.Among researchers who study puberty, the Tanner scale is commonly considered the "gold standard" for assessing pubertal status when it is conducted by a trained medical examiner. [5]
Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...
The Bliemeister method, named after inventor Louis W. Bliemeister of Los Angeles, California, (U.S. patent 2,978,742, dated April 11, 1961) is a process for making lead shot in small sizes from about #7 to about #9. In this process, molten lead is dripped from small orifices and dropped approximately 1 inch (2.5 cm) into a hot liquid, where it ...
A 2006 U.S. study of vagina sizes using Magnetic Resonance Imaging (MRI) on 28 volunteers between 18 and 39 years old, with heights ranging from 1.5 to 1.7 metres (4 ft 11 in to 5 ft 7 in), and weights between 49.9 and 95.3 kilograms (110 and 210 lb), revealed a greater than 100 percent variation between the shortest (40.8 millimetres (1.61 in ...
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