Neuro Flashcards
What are the autonomic symptoms in cluster headaches?
- Ptosis
- Miosis
- Conjunctival injection
4: Lacrimation - Rhinorrhea
- Nasal congestion
What is the initial treatment of cluster headaches?
- 100% O2 via tightly sealed face mask
- If not responding
Sumatriptan IM or intranasal
Dihydroergoramine IM
Lidocaine IN
What is the preventive treatment for cluster headaches?
- Verapamil
- 2nd line- methysergate
Corticosteroids
Lithium
What’s the most commonly injured nerve in the surgeries done in lithotomy position?
Common perineal nerve
What are the muscles innervated by the deep and superficial branches of the common peroneal nerve?
- Tibilalis anterior
- Extensor digotorum longus
- Extensor hallucis longus
- Peroneus longus
- Peroneus brevis
- Peroneus tertius
Which cranial nerve supplies muscles of mastication?
Trigeminal nerve - mandibular division
Which nerves carry taste sensations of the tongue and general sensations of the tongue?,
Taste - cranial nerves 7, 9, 10
General - cranial nerve 5
What is suspected with both upper and lower motor neuron features on the same side of the body with intact sensation?
Motor neurone disease, most probably amyotrophic lateral sclerosis
What is the commonest mortar neuron disease?
Amyotrophic lateral sclerosis
What are the diagnostic investigations for amyotrophic lateral sclerosis?
EMG electromyography
Nerve conduction studies
Examples for upper motor neuron sign?
1.Spasticity
2.Brisk tendon reflexes
3.Loss of dexterity
4.Muscle spasms
5.Abnormal reflexes example Babinski Hoffman Chaddock
Examples for lower motor neuron science?
1.Fasciculations
2.Muscle atrophy
3.Depressed reflexes
4.Foot drop and wrist drop
5.Breathing difficulties
What are the most common initial symptoms of myasthenia gravis?
1 drooping eyelids
2. Double vision
What are the most common sites of metastasis of melanoma?
- Brain.
- Lung.
What are the common malignancies metastasizing to the brain?
- Melanoma
- Breast cancer.
- Lung cancer.
What is Bell’s palsy?
Unexplained episode of facial muscle weakness
Last for 48 hours
Acute in onset
What is an acoustic neuroma?
Benign tumor arising from the vestibular cochlear nerve
It is the most common tumor at the at the cerebellopontine angle
What is the characteristic feature of common peroneal nerve injury?
Impaired dorsiflexion of the foot
What is the inheritance pattern of Huntington’s disease?
Autosomal dominant
What is the inheritance pattern of Huntington’s disease?
Autosomal dominant
What are the eligibility criteria for genetic testing for Huntington’s disease?
- The person should be over 18 years of age.
- They is at least one blood relative with definite diagnosis of Huntington’s disease
What is the trial of symptoms in juvenile myoclonic epilepsy?
- Myoclonic jerks
- Generalized tonic- clonic seizures.
- Absence seizures.
What are the drugs causing drug induced parkinsonism?
1.Typical antipsychotics (phenothiazines – chlorpromazine, haloperidol)
2. Metoclopramide
3. Calcium channel blockers.
4. Atypical antipsychotics.
5. Antiepileptics.
What nerve injury causes isolated impairment of thumb opposition?
Median nerve injury at the wrist