landmarks

between 2nd and 3rd tracheal rings

risk of injury to:

isthmus of thyroid
inferior thyroid vein
L brachiocephalic vein
thyroidea ima artery (rare variant)

Tracheostomy emergencies

#airway #anatomy-neck

see:

https://litfl.com/tracheostomy/
https://www.instantanatomy.net/headneck/areas/lytracheostomyandcricothyroidotomy.html