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ardy
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medicine paroxysmal atrial fibrillation
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12.25.05 (2 years ago)
#1
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which is the effective treatment of paroxysmal atrial fibrillation?
a.verapamil
b.sotalolol
c.digitalis
d.amiodarone
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shaina
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12.25.05 (2 years ago)
#2
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i feel the ans is verapamil
harrison says in recurrent AF it is wisest to allow the pt to remain in AF and to control ventricular response with any of these:ca channel blocker,beta adrenergic blocker or digitalsi glycosides.
but i m still not sure of my ans
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shaina
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12.25.05 (2 years ago)
#3
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it also says the beta blockers are the drug of second choice
digitalis have slower action hence not prefferd.
so the ans comes out to be verapamil
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lazybonezzz
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12.25.05 (2 years ago)
#4
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BUT ISNT AMIODARONE DRUG OF CHOICE FOR PAROXYSMAL SUPRAVENTRICULAR TACHYCARDIA? 
wats the ans given???
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nutsnitin
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12.25.05 (2 years ago)
#5
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for psvt, doc is adenosine..........not amiodarone...
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nutsnitin
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12.25.05 (2 years ago)
#6
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In acute AF, a precipitating factor such as fever, pneumonia, alcoholic intoxication, thyrotoxicosis, pulmonary emboli, congestive heart failure, or pericarditis should be sought. When such a factor is present, therapy should be directed toward the primary abnormality. If the patient's clinical status is severely compromised, electrical cardioversion is the treatment of choice. In the absence of severe cardiovascular compromise, slowing of ventricular rate becomes the initial therapeutic goal. This may be most rapidly accomplished with b-adrenergic blockers and/or calcium channel antagonists.
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nutsnitin
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12.25.05 (2 years ago)
#7
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The goal of therapy in patients in whom AF cannot be converted to sinus rhythm is control of the ventricular response. This can usually be accomplished by digitalis, beta blockers, or calcium channel blockers singly or in combination.
If sinus rhythm is restored electrically or pharmacologically, quinidine or related agents as well as the class IC agents (e.g., flecainide), sotalol, or amiodarone may be used to prevent recurrence. In patients in whom cardioversion is unsuccessful or in whom AF has recurred or is likely to recur despite antiarrhythmic therapy, it is probably wisest to allow the patient to remain in AF and to control the ventricular response with calcium antagonists, b-adrenergic blockers, or digitalis glycosides.
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shaina
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12.25.05 (2 years ago)
#8
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ya nitin i totally agree with you
what all you have told is same what harrisin says
but the adenosine is not the choice here
so in both recurrent AF and PSVT the doc after adenosine is ca channel blocker and specifically verapamil
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shaina
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12.25.05 (2 years ago)
#9
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no lazybonezz the drug of choice in PSVT is adenosine
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nutsnitin
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12.25.05 (2 years ago)
#10
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hi shaina......proxysmal atrial tachycardia is diffrent from paroxysmal atrial fibrillation......
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