For all heart conditions: palpitations, anxiety, stress, etc. Combine with PC 6 to open the chest (as in the case of plum pit qi). This chest pain can be psycho-emotional (i.e. liver/heart system related in Chinese Medicine terms), or it may be from simple congestion (cough, rebellious qi, shortness of breath, etc.).
Harmonizes the liver - as the "Jueyin Shu" you may also treat LV related conditions such as stagnation of LV Qi - depression, anxiety, panic attacks, etc.