3rd Year Formative January Flashcards
What is Vascular Parkinsonism caused by?
Small strokes and Infarcts which can go unnoticed and therefore untreated.
What is the sort of timescale for Vascular Parkinsonism?
Tends to have a slow onset.. Months to years.
Will Vascular Parkinsonism Respond to Levodopa?
No, due to the ischaemia.
Where does the vestibulospinal tract arise?
Originates from the vestibular nuclei of the pons and the medulla.
What is the main job of the vestibulospinal tract?
To activate antigravity muscles (extenders of legs and flexors of arms)
- Stops us falling over when pushed
What is the Reticulospinal Tract responsible for?
Many Functions including control of breathing and cardiac control.
Where does the Reticulospinal tract arise from?
The Reticular formation in the Brainstem.
What is the Immediate management of a TIA?
Aspirin 300mg on Arrival.
What is the management of a Stroke on arrival?
Must determine whether Ischaemic or Haemorrhagic
- CT scan first
What is the first line management of an Ischaemic Stroke?
Aspirin 300mg
What is the management of a Haemorrhagic stroke?
Neurosurgical evaluation for potential surgical intervention.
What are clinical features of LEMS?
Lambert-eaton Myasthenic Syndrome
- Bilateral weakness of the thighs (proximal muscles) of insidious onset.
- Causing reduced or absent reflexes.
What can LEMS often be associated with?
Small cell Lung Cancer
What is used to Diagnosed LEMS, and which Antibodies can be tested for?
NCS
Anti-Voltage Gated Calcium Channel Antibodies.
What is the Treatment of LEMS?
3,4-Diaminopyridine
What is the treatment of Guillain-Barre Syndrome?
Plasma Exchange
What does Chloroquine do to patients with MG?
Precipitates or worsens features of MG.
What is the Treatment of MG?
Pyridostigmine + Steroids.
What is the mainstay of treatments for chronic inflammatory demyelinating Radiculopathies?
Oral Steroids.
What Anticonvulsant medication is used in the treatment of Abscence seizures?
Ethosuximide in women.
Sodium Valproate in Men.
What is the treatment of Idiopathic Intracranial Hypertension?
- Weightloss,
- Carbonic Anhydrase inhibitors (Acetazolamide, Topiramate)
- Ventricular atrial/lumbar peritoneal shunt
- Monitor visual fields and CSF pressure
In what patients does IIH occur?
Young Overweight females, Often have Polycystic Ovaries too.
What are some side effects of SSRIs?
- Reduced Libedo
- Vivid Dreams
- Transient increase in suicidal thoughts
- Increased Anxiety.
What Atypical Antidepressant can be administered alongside SSRIs to block their side effects?
Mirtazapine