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Terms in this set (15)
atrial tach, atrial fib, ectopic foci
triggered rhythm. slow heart rate. seen in purkinje cells.
Early after depolarization, torsades de pointes. due to long qt interval
dAD. Ca overload. adrenergic stress, digitalis intox,
Impulse conduction disorder. Av nodal block.
tachycardia due to conduction rotes w/ diffeerent conduction velocity.
A type of re entry, cause of paroxysmal regular narrow complex tachycardia. young and healthy.
AV nodal reentrant tachycardia.
compromise of mechanical performance, proarrhythmic (makes the arrhythmias worse), thrombogenesis are all consequences of what?
What are the 4 ways to slow arrhythmic drugs?
decrease phase 4, increase threshold, increased maximum diastolic potential, increased action potential.
To increase refractivity, what drug target should be employed?
Group Ia will have what effects on the different phases of the rhythm?
Pase 0 more sloped, depressed phase 2
How does group Ib affect the phases of the rhythm?
Accelerates phase III
How does class IB affect APD and QT?
Ic such as propafenone, flecainide and morizicine affect what intervals?
lengthen PR, QRS, APD. plong phase 0, depress phase 2
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