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FIU - K channels
K channels
10
Medieval Studies
Graduate
12/12/2011

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Term
K channel blocker uses
Definition
anti-arrhythmic
oral hypoglycemic agents
Term
K channel opener uses
Definition
vascular (arterial) relaxation
promotion of hair growth
Term
Sotatol, class? use? SEs
Definition
VW class III and non-selective beta-blocker
ventricular and supra ventricular arrhythmias
torsades de pointes
Term
Amiodarone, class? use? SEs
Definition
Class X (mixture of class I-IV)
anti-arrhythmic (most efficacious)
MANY side effects (thyroid, neurologic, opthalmic, etc) and long half-life, PK favors toxicit
Term
dronedarone
Definition
VW class X, anti-arrhythmic
Less toxic Amiodarone, shorter T1/2
Term
Sulfonyl-urea agents; action? SEs? examples?
Definition
hypoglycemic agents
pancreatic K-channel blockers -> increased inslulin release
0rally administered
can't use in Type I DM
all have "gl" in name
SEs - increased wight and decreased GLU
glibenclamid, glyburide, glipizid, glimepririd
Term
Metformin, use? action? byproduct?
Definition
Non-Sulfonyl-urea hypoglycemic agent (don't know how it works)
One of the best drugs for diabetes control
Inhibits lactate uptake and hepatic GNG via AMP-kinase
Byproduct - guanidine
Term
Glinides
Definition
Non-Sulfonyl-urea insulin release
end in "-glinid"
Rapid onset, short action
less hypoglycemia and weight gain than SUs
Term
Nicorandil, action? use?, SEs?
Definition
K-channel opener
arterial relaxation (decreased afterload) also stimulates cGMP -> relax venous smooth muscle (decreased preload)
tx of angina, congestive heart failure, HTN
SEs - oral ulcerations
Term
minoxidil, type? action?
Definition
K-channel opener
dilate arteries -> increased 02 and nutrient supply -> hair growth!
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