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| beta blocker and potassium channel blocker |
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| potassium channel blocker |
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pulseless VT/VF
wide complex tachycardia
(a-fib) |
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Definition
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Definition
-prolongs myocardial cell action potential
-prolongs refractory period
-K and Na channel blocking
-reduces automaticity of SA node
-reduces contractility and conduction velocity in AV node, ventricles, bundle of His, and Purkinje system |
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Term
| amiodarone adverse effects |
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Definition
thyroid abnormalities (from iodine)
pulmonary fibrosis
corneal deposits
grey/blue discoloration of skin
CNS/GI disturbance
pro-arrhythmic effects
heart block
nightmares
abnormal LFT |
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Term
| amiodarone drug interactions |
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Definition
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| calcium channel blocker side effects |
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Definition
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| alternative to amiodarone |
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Definition
Na-K ATPase inhibition
positive inotrope
vagomimetic |
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| drug interactions with digoxin |
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Definition
coumadin (inc. PT/INR)
quinidine, amiodarone, verapamil (inc. dig level)
spironolactone (dec. renal function) |
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Term
| dig toxicity clinical manefestation |
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Definition
combo of SVT and AV block
yellow-green vision |
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Term
| What predisposes someone to dig toxicity? |
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Definition
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Term
| How do you counteract a digoxin toxicity? |
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Definition
| Digibind (digoxin-specific Fab fragment |
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