Neurology Flashcards
Which type of aneurysm is typically the cause of SAH and is this an arterial / venous bleed?
Berry aneurysm - arterial
Which conditions are associated with SAH?
ADPKD, Ehler Danlos, aortic coarctaction
Symptoms of SAH
Thunderclap headache, collapse, vomiting , photophobia, seizures, visual disturbance, coma
What does Kernig’s sign demonstrate?
Meningeal irritation
What is a positive Kernig’s sign?
Hip and knee flexed to 90 degrees, pain when knee extended
What is seen on CT head in SAH?
Star sign (blood mixed into CSF)
What is seen in LP in SAH?
Xanthochromia
Which type of brain bleed has a lucid interval of normal GCS?
Extradural haemorrhage
Is an extradural haemorrhage arterial or venous?
Arterial
Is a subdural haemorrhage arterial or venous?
Venous
What is seen on CT head in subdural haematoma
Crescent shape
What is seen on CT head in extradural haematoma?
Biconvex / lens shape
What else can be seen on CT head in blain bleeds?
Midline shift, compression of ventricles
Risk factors of stroke
AF/valvular disease, hypertension, smoking, excess alcohol, hyperlipidaemia, DM, COCP, polycythaemia rubra vera, TIA
Most common cause of cerebral infarct and treatment option?
Carotid artery atherosclerosis - carotid endardectomy