Neurological Flashcards
What fraction of Strokes/TIAs occur in over 65 yr olds?
2/3
What are the two main types of stroke and which is most common?
Ischaemic (most common - 87%)
Haemorrhagic
What can cause a ischaemic stroke?
Thrombosis, Embolism, Shock
What can cause a haemorrhagic stroke?
Intracerbral bleed, Subarchnoid bleed
Definition of TIA
Symptoms appear and last less than 24 hours
Stroke/TIA Risk Factors
High BP, Smoking, Obesity, Cholesterol, Diabetes, AF
Stroke/TIA Presentation
Hemiplegia, Apraxia, Altered smell/taste/vision, Spasticity, Hyperreflexia, Aphasia
What symptoms are more common in haemorrhagic stroke?
Loss of consciousness, Thunderclap headache, Vomiting, Neck stiffness, Seizure
Stroke/TIA Investigations
CT/MRI, ECG, Bloods, USS, Angiogram
Stroke/TIA Treatment
Aspirin, Statins, Thrombolysis, Surgery
Who is subarachnoid haemorrhage more common in?
Elderly Females
What is usually the cause of a spontaneous subarachnoid haemorrhage?
Ruptured aneurysm in Circle of Willis
Subarachnoid haemorrhage Risk Factors
High BP, Smoking, Family Hx, Alcohol/Cocaine, Blood thinners
What does a lumbar puncture show in subarachnoid haemorrhage?
Elevated RBCs
Subarachnoid haemorrhage Treatment
Surgery, Labetolol, CCBs (prevent vasospasm), Benzodiazepines, Antiemetics
Most common cause of Peripheral Neuropathy?
Diabetes
Causes of Peripheral Neuropathy?
Systemic disease, Vitamin deficiency, Medication, Trauma, Genetic, Idiopathic
What medication can cause Peripheral Neuropathy?
Chemotherapy, Metronidazole, Fluoroquinolones
Peripheral Neuropathy Presentation
Motor = Balance, Weakness
Sensory = Numbness, Tingling
Autonomic = Poor bladder control, Sweating
Peripheral Neuropathy Investigations
EMG, Bloods (FBC, B12, TSH, Metabolic panel)
Peripheral Neuropathy Treatment
Cause, TCAs, SSRIs, Antiepileptics, Topical capsaicin
How many cases of Epilepsy occur in the developing world?
80%
What is Epileptogenesis?
When epilepsy occurs due to brain injury (stroke/infection etc.)