What is the innervation of nose?
Nasociliary nerve (V1)
Nasopalatine nerve (V2)
Posterior branch of maxillary nerve (V2)
What is the sensory innervation of the glossopharyngeal nerve?
Posterior 2/3 of the tongue
fauces
tonsils
epiglottis
pharnynx
What is the innervation of the larynx?
Vagus
External branch of the superior laryngeal nerve - cricothyroid muscle
Internal branch of the superior layngeal nerve - larynx above the vocal cords
Recurrent larygneal nerve - larynx below cords and upper trachea
Oral AFOI recipe
4mL 4% lignocaine nebulised over 15 minutes
5.5mL 4% lignocaine atomised
3 x 2mL down bronchoscope
Equipment:
IV cannulae
Nasal prongs 2L/min
5mm bronchoscope
Parker tip tube
Lubrication
Berman airway
Drugs
4mcg/mL glycopyrrolate IV
Remifentanil TCI 3ng/mL
What defines coronary artery dominance?
Which vessel supplies the Posterior Descending Artery that supplies the inferior septum
Right dominant 80-85%
Left dominant 15-25% (Left main stem supplies 100% of left ventricle)
What nerve roots make up the brachial plexus?
C5-T1
What are the trunks of the brachial plexus?
Superior, middle, Inferior
What do the trunks of brachial plexus divide into?
each divide into two divisions:
anterior (flexor)
posterior (extensor)
What nerve roots form the trunks in the brachial plexus?
Superior - C5 and C6
Middle - C7
Inferior - C8 and T1
What forms the lateral cords?
Anterior divisions of Superior and middle trunks
C5 C6 C7
What forms the posterior cord?
Posterior divisions of all 3 trunks
C5 - T1
What forms the medial cord?
Anterior trunk of Inferior cord
C8 and T1
What nerve roots supply median nerve?
C1,6,7,8 and T1
Forms from lateral and medial cords
Formed from all anterior divisions
What does the posterior cord of brachial plexus divide into?
Radial and axillary nerve
What nerve roots supply ulnar nerve?
C8 T1
What nerves can run in the middle scalene?
Dorsal scapular and long thoracic
Injury leads to a winged scapula