Harlow is used as both a boys and girls name. It consists of 6 letters and 2 syllables and is pronounced Har-low. In the U.S. in 2014, it ranked 508 in baby name popularity for girls with 605 occurrences.iew the Harlow Name Popularity Page to see how the popularity trend for Harlow has changed since 1880, or to compare the popularity of Harlow to other names. Variants of the name Harlow include Harlowe.
The aVL lead is at -30Â° relative to the lead I axis; aVR is at -150Â° and aVF is at +90Â°. It is very important to learn which lead is associated with each axis. The three augmented unipolar leads, coupled with the three bipolar leads, constitute the six limb leads of the ECG. These leads record electrical activity along a single plane, termed the frontal plane relative to the heart.
Einthovenâs recording is known as the three lead ECG, with measurements taken from three points on the body (defining the Einthoven triangle â an equilateral triangle with the heart at the centre.) The difference between potential readings from L1 and L2 is what is used to produce the output ECG trace.