Ptosis Flashcards
Which muscles are responsible for elevating the eyelid?
Levator palpebrae superioris
Muller’s muscle (tarsal muscle)
Recall the nerves that innervate each of the muscles responsible for elevating the eye
Levator palpebrae superioris (SNS)
Muller’s muscle (CNIII)
Via which nuclei + ganglia is LPS connected to the brain
Edinger-Westphal nucleus
Ciliary ganglion
Via which nuclei + ganglia is Muller’s muscle connected to the brain
Edinger Westphal nucleus
Spinal ganglion
Superior cervical ganglion
Which pathology of the musculature could cause ptosis?
Dystonia myotonica
Which pathology of the NMJ could cause ptosis?
Myasthaenia gravis
Which pathology of the SNS could cause ptosis?
Horner’s
What is the triad of symptoms that make up Horner’s syndrome?
Ptosis
Anhydrosis
Myosis
If ptosis is accomapnied by bowel and bladder weakness, where does this indicate the lesion is?
Cervicothoracic cord
If ptosis is accomapnied by diplopia, vertigo and ataxia, where does this indicate the lesion is?
Brainstem
If ptosis is accomapnied by arm pain and hand weakness, where does this indicate the lesion is?
Lung apex
If ptosis is accomapnied by a 6th nerve palsy, where does this indicate the lesion is?
Cavernous sinus
Describe the symptoms of carotid dissection
Horner’s with head and neck pain
Which direction does the eye’s gaze point in when there is a 3rd nerve palsy?
Down and out
What is the inheritance pattern of dystrophia myotonica?
Autosomal dominant
