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Clinical Neuro
Migraines
42
Biology
Graduate
01/18/2008

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Cards

Term
Name the characteristics of a Migraine headace
Definition

Family history present

Common in females

Onset is variable

Pulsating and throbbing

duration is 2-72 hrs

Might see aruas and sensitive to light & sound 

Term
Do you see famly history in a cluster headache?
Definition
no
Term
cluster headaches occur more in
Definition
males
Term
Describe the symptoms of a cluster headache
Definition

Behind 1 eye

Sharp and steady pain

Sweating, flushing 

Term
What are the two thing you focus on managing migraines
Definition

Identify trigger facts

Manage environmental changes 

Term
What are some trigger factors for migraines?
Definition

red wine

Foods like chocolates and cheese

Irregular sleep patterns

Acutes changes in stress levels 

Term
Which serotonin receptors are responsible for cerebral/meningeal vasoconstriction?
Definition
5HT B and D
Term
What is the function of Serotonin receptors 1A-F
Definition
Decrease cAMP
Term
Do 5HT2 increase or decrease IP3?  What does IP3 affect?
Definition
Increase IP3 increasing calcium
Term
What are the actions of 5HT2
Definition

Vasoconstriction and vasodilation in heart/skeletal muscle

Increasing platelet aggregation 

Term
5HT3 affect what kind of channels
Definition
Sodium and potassium
Term
what is the actions of 5H3 receptors?
Definition
Chemoreceptor reflec (decreases HR & BP)
Term
Auras are due to
Definition
Vasoconstriction of the Cerebral, retinal and meningeal
Term
How does vasoconstriction occur in auras?
Definition
increased 5HT from platelets
Term
What's the mechanism of Pulsating and throbbing that occurs in migraines
Definition
There's decrease 5HT and increase PG and CGRP
Term
How would a mild migraine look like
Definition

Occasional throbbing

No major impairment of function

 

Term
Describe how a moderate to severe migraine would present?
Definition

Some impairment of function

Nausea 

Term
Which drugs do you use to treat mild to moderate migraines?
Definition

Aspirin

Acetaminophen

Ibuprofen

Naproxen

Aspirin, acetaminophen and caffinne

Aspirin, acetaminophen w/ butalbital 

Term
What distinguishes a severe migraine from a moderate one?
Definition

more than 3 months

siginificant functional impairment

 

Term
What kind of drugs do you use to treat moderate to severe migraines?
Definition

Ergotamine

Ergotamine and caffine

Dihydroergotamine

 the "triptans"

Butorphanol, merperidine and tramadol 

Term
How do Ergotamine/Dihydroergotamine work?
Definition
Partial agonist of 5HT1B/1d, 5HT2 and alpha adrenergic
Term
List the side effects of ergotamine/hydroergotamine
Definition
Nausea, diarrhea, muscle cramps, cold skin, paresthesia, palpations and vertigo
Term
What contraindictions do ergotamine/hydroergotamine have
Definition
Do not use in CAD or peripheral vascular disease
Term
name the tripans
Definition

Sumatriptan

Naratriptan

Rizatriptan

Zolmitriptan 

Term
The triptans work at which receptor?
Definition
Selective agonist at 5HT1B/1D
Term
Give the adverse effects of the triptans
Definition

Tightness of chest, muscle weakness, paresthesia, somnlence, dizziness

May cause coronary vasospasm 

Term
When don't you want to use the triptans
Definition
CAD, angnia and MI
Term
Name the drugs for prophylaxis
Definition

Methysergide

Propanolol/Timolol

Verapamil

Valproate/Topiramate

 

Term
What's the MOA of Methysergide
Definition

5HT2 antagonist

Prevents vasoconstrictive phase of migraine 

Term
List the adverse effects of Methysergide
Definition
Ab. pain, leg muscle cramps, weight gain and hallucinations
Term
Propanolol/Timolol block what?
Definition

Beta adrenergic receptors

 

Term
What advantage does Timolol have over Propanolol
Definition
Less CNS effects
Term
What kind of blocker is verapamil
Definition
Calcium channel blocker
Term
What phase of migraine headache does Verapmil prevent
Definition
Vasoconstrictive
Term
What class of drugs are Vaoproate/Topiramate
Definition
Anti-convulsants
Term
What are the adverse effects of Vaproate
Definition
Sedation, tremor, weight gain
Term
What are the adverse effects of Topiramate
Definition
Sedation, mental confusion and blurred vision
Term
Name the antidepressants used in migraines
Definition

Fluoxetine

Amitriptyline

Phenelzine 

Term
What class of drugs does Fluoxetine fall in?  How about Amitriypline and Phenelzine
Definition

SSRI

Inhibit 5-HT uptake

MAO I 

Term
What are the adverse effects of fluoxetine?
Definition
Anxiety, insomnia and sexual dysfunction
Term
What are the adverse effects of Amitriptyline
Definition
Drowiness, tremor and anti-cholinergic
Term
What side effects does Phenelzine have
Definition
Hypertensive crisis if taken w/ foods containing tyramine
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