LARGER THREAD SIZES THAT GIVE A BOLDER TOPSTITCH APPEARANCE. Tex Size = Gram Weight Per 1000 meters of undyed yarn. See the World Wide Size Comparison Chart for yarn size conversion. Years ago the most common size of thread used for topstitching denim was a Tex 60 or. 80 or possibly Tex 105 size threads.
Fetal Heart Rate Facts. A normal heart rate for an unborn baby is between 120 and 160 beats per minute, according to Dr. Larissa Hirsch writing for the KidsHealth website. According to myth, a woman is likely having a girl if her baby's heart rate is 140 bpm or faster, and a heart rate lower than 140 bpm signals a boy.
Sinus tachycardia (often referred to as sinus tach) is a rhythm which is formed by the electrical impulse originating in the SA node in the normal manner. However, the rate is faster than normal. The normal heart rate range is 50-100 beats per minute in adults. The rate in the example above is 150 beats per minute.