Headache and Migraine
Study guide:
Types:
Presentation:
-
Migraines: Visual disturbances, Nausea and Vomiting, Aura.
-
Most common type of aura is bilateral homonymous scotoma.
-
-
Cluster: Frequent, Brief, extreme headache.
-
Affects men more 10:1.
-
Diagnosis:
-
There are no specific diagnostic tests for the three types of headaches mentioned above.
-
However some diagnostic tests are used to exclude the following:
-
Intracranial mass lesion: CT/MRI"
-
Pseudotumor Cerebri : CT/MRI and LP
-
Giant cell arteritis: ESR levels and Biopsy of the temporal artery
-
Red Flags:
-
Worst headache in my life = SAH
-
Fever = Infection i.e. meningitis & encephalitis
-
Neck stiffness = meningeal irritation
-
Focal deficit = mass occupying lesion
-
Decreased level of consciousness = infection, Hydro.
-
Seizures = Focal lesion
-
Papilledema = increased ICP
-
Sinus tenderness and nasal discharges = sinusitis
-
Temporal tenderness = Temporal arteritis
-
Elderly (onset after age of 50)
-
11. Immunocomprimised individual
Treatment:
Aura: Visual or sensory or dysphasic symptoms. Takes about 5-20 minutes and can last but not exceed 60, may come before or with the headache. Migraines with aura are called Classic Migraines.
Abortive
Prophylaxis
-
NSAIDs (1st line)
-
Triptan (2nd line)
-
Ergotes (rare)
-
Dopamine antagonist (3rd line)
-
100% Oxygen (Only for Cluster)
-
Beta-blockers: propranolol (best prophylactic therapy for migraines)
-
Tricyclic antidepressants (TCA):
amitriptyline (used with depression, insomnia, underweight patients) -
Valproic acid
-
Topiramate
-
Verapamil (best prophylactic therapy for cluster headache)
-
Methysergide (rarely used; SE: retroperitoneal fibrosis)
-
Lithium (Cluster only)
-
Steroids (Cluster only)
Triptans and ergots are contraindicated in CAD patients and pregnancy
In menstrual migraines abortive is like prophylaxis: long acting Triptans
References:
-
Fischer, Conrad. Master The Boards. Print.
-
Agabegi, Steven S, Elizabeth D Agabegi, and Adam C Ring. Step8Up To Medicine. Philadelphia: Wolters
Kluwer/Lippincott Williams & Wilkins, 2013. Print.
-
Le, Tao, Vikas Bhushan, and Herman Singh Bagga. First Aid For The USMLE Step 2 CK. New York: McGrawLHill
Medical, 2010. Print
-
Le, Tao et al. First Aid For The® USMLE. Print.
-
Yogarajah, Mahinda. Neurology. Edinburgh: Mosby/Elsevier, 2014. Print.
Written by: Abdullah AlAsaad
Reviewed by: Roaa Amer
Haifa Al Issa
Web Publisher: Adel Yasky
Audio recording:
- Read by: Thakra AlGulaigah
- Directed by: Rana Alzahrani
- Audio production: Bayan Alzomaili