Anatomy Lect 3 Head & Neck
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Transcript of Anatomy Lect 3 Head & Neck
Anatomy Lecture 3 Head and Neck
Physician Assistant ProgramMiami Dade College
'Excellence is an art won by training and habituation. We do not act rightly because we have virtue or excellence, but rather we have those because we have acted rightly. We are what we repeatedly do. Excellence, then, is not an act but a habit.' Aristotle
A journey of a thousand miles begins with a single step. Lao Tsu “I find that the harder I work, the more luck I seem to have”. Thomas Jefferson
Self conquest is the greatest of victories. Plato
Lacerations Scalp
Skin Connective Tissue Aponeurosis (Galea) Loose connective tissue Pericranium
Ca
Coup-Contrecoup ICH
Skull fx’s Calvaria Orbit Zygoma Maxillary (Le Fort)
Le Fort Fractures
SYNONYMOUS
CALVARIACALVASKULLCAP
Hydrocephalus “water in the brain” Spontaneous
intracerebral and Intraventricularhemorrhage withhydrocephalus
Temporal Arteritis
Neck Triangles Anterior Triangle
SCM Mandible Anterior midline
Posterior Triangle Trapezius SCM Clavicle
A) Nerves and Plexuses:Spinal accessory nerve (Cranial Nerve XI) Branches of cervical plexus Roots and trunks of brachial plexus B) Vessels:Subclavian artery (Third part) Transverse cervical artery Suprascapular artery Terminal part of external jugular vein C) Lymph Nodes:Occipital Supraclavicular D) Muscles:Inferior belly of omohyoid muscle
This space is subdivided into four smaller triangles by the Digastricus above, and the superior belly of the Omohyoideus below.These smaller triangles are named:the muscular triangle or inferior carotid trianglethe carotid triangle or superior carotid trianglethe submandibular triangle or submaxillary trianglethe submental triangle or suprahyoid triangle
Torticollis or wry neck head is tilted toward one side, and the chin is
elevated and turned toward the opposite side.
Cervical Lymph Nodes Preauricular Postauricular Occipital Tonsillar Submandibular Submental Superficial cervical Posterior cervical Deep cervical chain supraclavicular
CVA’s vs. TIA’s Central Line Placement JVD
Zones of Neck
Rhinorrhea Fx Epistaxis
Kisselbach’s Plexus Septal deviation Septal hematoma Obstruction
Ethmoid Sinuses (green) Frontal Sinuses (checkered) Maxillary Sinuses (red) Sphenoid Sinuses (yellow)
THINK !!!!
THINK BIG
EOM Corneal Abrasion Lids
Entropion (in) vs. Ectropion (out) Chalazion vs. Hordeolum (stye) Blepharitis
Strabismus Exotropia (out) vs. Esotropia (in)
Exophthalmus vs. Enophthalmus Ptosis Icterus (jaundice) Ruptured globe Retinal detachment (shade) Glaucoma (open vs closed) Cataracts Diplopia (double vision)
Pupil Size Anisocoria
Scotomas/ floaters/ flashing lights Changes
Hyperopia (farsightedness, ie. Can’t see close)
Presbyopia (aging) Myopia (near sighted, ie. Can’t see far)
Lacrimal Excessive tearing/dryness Dacrocystitis
Subconjunctival hemorrhage Hyphema Hemianopsia Iritis/ conjunctivitis Pterygium Central retinal artery occlusion
Short sight means that the image is focused in front of the retina
Long sight means that the image is focused behind the retina
PERRLA (D+C): Pupils Equal and Regular; Reactive to Light and Accommodation (Direct and Consensual).
Myopia
Hyperopia
Hyperopia, also known as hypermetropia or colloquially as farsightedness
Myopia, also called near- or short-sightedness
Hearing loss Conductive vs. sensorineural
Dizziness Vertigo Labyrinthitis Otoliths Barotrauma Tinnitus D/C FB AOM AOE Cerumen Q-tips Perforated TM Bullous Myringitis Mastoiditis Pharyngotympanic tube
obstruction/replacement
Stenson’s ductVs. Wharton’s duct
Aphthous ulcers Stenson’s/ Wharton’s duct
Sialolith Ca Herpes Chelitis Angioedema Odontogenic infection Ludwigs angina Thyroglossal duct cyst Brachial cleft cyst PTA
Pharyngitis Hoarseness Goiter Hyperthyroid Hypothyroid Parathyroid (Hypocalcemia) Intubation
Trach/ Cric Lymphadenitis FB