P1 Tianchi ( MC1 )

Location In the fourth intercostal space , 1 cun lateral to the nipple

Indications Suffocating sensation in the chest , pain in the hypochondriac region , swelling and pain of the axillary region .

Method Puncture obliquely - 0 . 2 - 0 . 4 inch . Deep puncture is not advisable . Moxibustion is applicable .

Vasculature The thoracoepigastric vein , the branches of the lateral thoracic artery and vein .

Innervation The Muscular branch of the anterior thoracic nerve , the fourth intercostal nerve .