402 - Neurology - Headache Flashcards
3 examples of primary headache
Migraine
Medication misuse headache
Tension headache
What are the emergency headaches? The headaches not to miss (8)
- Raised ICP
- Thunderclap headache
- Idiopathic intracranial HTN
- Venous sinus thrombosis
- Carotid dissection
- Painful CN3 palsy
- Meningitis
- Encephalitis
Typical area of a sinus headache
Pain is behind browbone and/or cheekbones, adjacent to where the sinuses are
Typical feeling of a tension headache
Pain is like a squeezing band around the head
Typical feeling of a cluster headache
Pain is in and around one eye
Often have prominent autonomic symptoms e.g. rhinorrhoea, lacrimation, red eye, ptosis, pupillary changes. These are less seen in migraine (another typically one-sided headache)
Key questions to ask about the headache
Time course
Periodicity - frequency and duration of episodes
Triggers
Associated features
Migraine criteria for diagnosis
Headache attacks lasting 4-72h with at least two of the following characteristics;
- Unilateral location
- Pulsating quality
- Moderate or severe pain
- Aggravation by or causing avoidance of routine physical activity
During the headache at least one of the following:
- Nausea and/or vomiting
- Photophobia and phonophobia
Migraine with aura is predominantly which sensory format
Visual
Aura in migraine
- Affects about 1/3 of migraine sufferers.
- Typically between 5-60m long prior to headache
- ## Visual transient hemianopic disturbance or a spreading scintillating scotoma
Other kinds of aura in migraine (non-visual)
- Sensory disturbance e.g. unilateral paraesthesia of hand, arm or face (leg rarely affected)
- Dysphasia (speech difficulties) - may be mistaken for stroke