Which point is recognized as a Xi Cleft point that can be used for acute chest pain?

The correct answer, P-4 (Pericardium 4), is recognized as a Xi Cleft point and plays a significant role in alleviating acute chest pain. Xi Cleft points are known for their ability to address issues related to the blood and Qi in that channel. Specifically, P-4 is used to treat conditions associated with the heart, such as chest pain, because it is located on the pericardium channel, which closely relates to heart health.

P-4 is particularly effective for chest pain because it allows the practitioner to access deeper layers of the Qi and Blood, facilitating their movement and addressing stagnation or deficiency that may be contributing to the pain. Additionally, this point is known to have the function of calming the spirit and relieving anxiety, which can often accompany chest pain.

In contrast, while H-6 (Heart 6) is useful for night sweats and H-8 (Heart 8) addresses tongue sores, neither of these points is a Xi Cleft point specifically designated for acute chest pain. P-5 (Pericardium 5) does have a function related to the heart and can be used for conditions involving phlegm, but it is not primarily recognized for treating acute chest