According to Traditional Chinese Medicine (TCM) there are three pulses on each wrist representing different organs. An Acupuncturist is feeling for the quality of the pulse as well as the count.
Left Hand (Superficial Position) - Small Intestine, Gall Bladder, Bladder
Left Hand (Deep Position) - Heart, Liver, Kidney
Right Hand (Superficial Position) - Large Intestine, Stomach, Triple Warmer
Right Hand (Deep Position) - Lungs, Spleen and Pericardium