tasneembanu
Forum Guru
Topics: 96
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can it be E?
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| usmleasr
Forum Guru
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nodal rhythm :roll:
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| dimps
Forum Guru
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e..paroxysmal atrial tachycardia
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| dr.shar
Forum Elite
Topics: 38
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a. Atrial fibrillation
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| Alina T
Forum Elite
Topics: 17
Posts: 388
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Atrial Fib
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| joyti khatri
Forum Newbie
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it is atr fibrillation i think b coz it is used in T/t of that and abt nodal rhythm is it mean av nodal rhythm?
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| cache
Forum Guru
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Posts: 275
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you sure about the atrial fibrillation,
if you go to emedicine website, and do a search on digitalis toxicity...
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| chd_guy
Forum Newbie
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Posts: 33
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answer must be a
digoxin is used in AF with CHF or as third line drug to beta blockers and calcium channel blockers for rate control of the ventricle.Digoxin itslef is not capable of termintaing AF.Digoxin itseld dosent produce AF thogh it can cause VPC VF Atrial premature complexes and vetricular tachycardia.Digoxin can cause AV dissociation.
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| Drmos
Forum Junior
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the answer should be C, the other options are correct....
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| lauxw
Forum Newbie
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i think answer is D.nodal rhythm
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| mdwannabe
Forum Guru
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Here is the word from the Errogant one. :-)
Since Dig blocks ATPase, thereby increasing Na concentr in cell, and secondarily inhibiting Na/Ca exchng, it essentialy causes A-V block. Hence, the slow conduction, which may cause ventricular tachycardia, ventricular ectopics by the Early depolarization mechanism, NodalR- is one of the most common side effects, u ll see it in elderly especially post surgery.
Atrial Tachy with slow V response is the sign of toxicity.
So A. Fib is the only one left.
All that besides the point that it is used for teatment of A. Fib.
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| asmi
Forum Hero
Topics: 1043
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Mdwannabe ,ofcourse you are not arrogant 
I agree for Afib but again confusion ,since it is used in Afib treatment .
Why not nodal rhythm ??
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| mdwannabe
Forum Guru
Topics: 37
Posts: 1,133
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as above, it causes nodal rhythm by inhibiting conduction. Seen as levels of Dig increase in response to Hypo K, or Dehydro.
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| asmi
Forum Hero
Topics: 1043
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got it ,thanks.
8) see u got strong hold on basics .
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