TEE reportedly causes nausea or gagging in approximately 60% of people. A blinded, randomised, controlled study (RCT) on transesophageal echocardiography (TEE) patients has demonstrated the efficacy of this point. One of the most commonly investigated points is cheng jiang, also known as CV-24, which is located in the labio-mental fold.
3 The acupoints of interest for the relief of gag reflex are outlined in Table 1. 13 Acupressure, alternatively, is a variation of acupuncture involving constant pressure on acupoints without puncture of the skin. 12 Acupuncture can be defined as the insertion of a solid needle into specific body parts for therapy and health maintenance. Therapeutic application to acupoints has evolved to encompass needling, pressure and massage amongst others.
13 If applying this theory to heightened gag reflexes it is reasonable to presume that Yin is insufficient thus making the patient gag, yet stimulation to acupoints will restore balance, consequently relieving gagging. 11 Yin and Yang are a balance which define health and are complementary representations of dynamic equilibrium: Yin provides qualities such as tranquillity and rest whereas Yang is responsible for activation and transformation. It is believed that energy known as ch’i runs through 14 various pathways in the body and that 361 acupoints can rebalance Yin and Yang.
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