Facial Nerve Palsy Flashcards
What type of lesion is Bell’s palsy?
Lower motor neuron lesion
What causes Bell’s palsy?
Bell’s palsy
Which cranial nerve is primarily affected in Bell’s palsy?
Facial nerve
What is a distinguishing feature of Bell’s palsy?
Sudden onset
What treatment is important for Bell’s palsy recovery?
Antiviral medication
How many branches does the facial nerve divide into?
5
Which is NOT an intraparotid branch of the facial nerve?
Trigeminal nerve
What indicates a lower motor neuron lesion affecting the forehead?
Complete hemifacial weakness
Which symptom differentiates Bell’s palsy from stroke?
Involvement of forehead muscles
What is the diagnosis for a 50-year-old male with sudden facial weakness and no hearing loss or otorrhea?
Bell’s palsy
What is the diagnosis for a 66-year-old female with otorrhea, hearing loss, and facial weakness?
Complicated otitis media
What can a complicated acute otitis media cause?
Lower motor neuron facial weakness.
A 65-year-old male has hearing loss and progressive facial weakness. Diagnosis?
Acoustic neuroma.
What is the most common cause of sudden idiopathic facial paralysis?
Bell’s palsy.
What feature distinguishes a lower motor neuron facial palsy?
Forehead involvement.
What is the primary treatment for Bell’s palsy?
Antivirals and corticosteroids.
A patient has otorrhea, hearing loss, and facial paralysis. First step in management?
Treat otitis media.
What area does the post-auricular nerve supply?
External auditory meatus.
What is the first-line investigation for facial weakness with otorrhea?
CT temporal bone.
Which condition mimics Bell’s palsy but includes vertigo and hearing loss?
Acoustic neuroma.
