Neck Flashcards
Set up for trachy?
GA, supine, sandbag under neck to maintain extension
Landmarks for incision for trachy
Laryngeal prominence, cricoid cartilage, sternal notch
Incision for trachy
Transverse midline incision, halfway between cricoid cartilage and sternal notch.
Layers of trachy?
Skin, fat, infrahyoids, thyroid isthmus, tracheal catilage
Watch to watch out for in trachy?
Recurrent laryngeal inferiorly, anterior jugular vein superficially, thyroid IMA artery
Incision in trachea?
bjork/square flap or vertical incision
Why crocothyroid ligament for emergency airway?
most superficial aspect of airway, below glottis
Set up for Neck dissection?
GA, supine, slight head tilt, head tilted to opposite side
Landmarks for incision for ND?
mastoid process and laryngeal prominence
First three layers for ND?
Skin, fat, platsyma, reflect over mandible
Watch to avoid 1 in ND?
Marginal mandibular branch of facial nerve, superficial to facial artery and vein
What is the superficial to the posterior belly of digastric between the mandible and scm. what does it drain into?
retromandibular vein, into external jug
What fascia surrounds scm ?
investing layer, external deep layer of fascia surrounding everything, esp. traps and scm
Other fascial layers in the neck?
superficial cervical, deep cervical fascia= investing, pretracheal, prevertebral and carotid sheath(vagus)
Which nerve is inferior to SCM? What does it divide it into? Which other nerve is paralell to it?
Accessory nerve, anterior and middle thirds, greater auricular nerve