Lama Chime Rinpoche

Vishuddha (yang dag).

• The heruka of the vajra family or the tantric teachings connected to that wrathful deity. One of the Eight Sadhana Teachings of the Nyingma School. [RY]

Also:

• Vishuddha Heruka (yang dag he ru ka).
• Vishuddha Mind (yang dag thugs).