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Their extensive designs required over 12,000 Jacquard cards. The curtain lace industry prospered with the advent of the fashion for large rising sash windows. [4] The width of the frame ultimately increased to 420 inches (11 m), and in 1928 a machine of 300 inches (7.6 m) was considered to be the smallest viable size.
The company was the world leader in Nottingham lace and also produced tablecloths, napkins, valances, and shower curtains, among many other types of lace items. During the 1940s, the company teamed up with subsidiaries such as Victory Parachutes , Inc. and Sweeney Bros. to manufacture parachutes and camouflage netting .
The calculation formula is: Rate Pressure Product (RPP) = Heart Rate (HR) * Systolic Blood Pressure (SBP) The units for the Heart Rate are beats per minute and for the Blood Pressure mmHg . Rate pressure product is a measure of the stress put on the cardiac muscle based on the number of times it needs to beat per minute (HR) and the arterial ...
For healthy people, the Target Heart Rate (THR) or Training Heart Rate Range (THRR) is a desired range of heart rate reached during aerobic exercise which enables one's heart and lungs to receive the most benefit from a workout. This theoretical range varies based mostly on age; however, a person's physical condition, sex, and previous training ...
[citation needed] The heart rate formula most often used for the Bruce is the Karvonen formula (below). A more accurate formula, offered in a study published in the journal, Medicine & Science in Sports & Exercise, is 206.9 - (0.67 x age) which can also be used to more accurately determine VO2 Max, but may produce significantly different results.
The patient is subjected to stress in the form of exercise or chemically (often dobutamine). After the target heart rate is achieved, 'stress' echocardiogram images are obtained. The two echocardiogram images are then compared to assess for any abnormalities in wall motion of the heart. This is used to detect obstructive coronary artery disease ...