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Physiology of Pain, Headache, and Thermal Sensations - Coggle Diagram

- - - - can adapt to constant stimuli
      - rate of damage = intensity of pain
      - chemical pain mostly caused by histamines
      - bradykinin
        
        most pain
    - - stretching of skin
  - - - old pathway
      - emotional/arousal aspects of pain
      - slow pain
      - un myelinated fibres
    - - fast pain
      - lightly myelinated fibres
  - - - uses a non-painful stimulus to try and get rid of pain
    - - neurotransmitters bind to receptors to inhibit release of neurons that send messages about pain between 1st and 2nd order neurons
- - - - Tension type
        
        band around head
        
        most common
      - Cluster
        
        pain behind one eye
        
        symptoms
        
        autonomous
        
        drooling
        
        tearing
      - migraines
        
        severe pain
        
        symptoms
        
        nausea
        
        headache
        
        photophobia
        
        phonophobia
        
        last 24-72 hours
  - - - temporal headache
      - scalp tenderness
    - - worse in mornings and night
      - seizures
      - vomiting
    - - thunderclap headache
      - sudden, severe headache
      - lasts 24-72 hours