sturge_weber
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what about this one???
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| reet
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quinidine increse QT interval???
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Live as u were to die tommorow. Learn as if u were to live forever.
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| sturge_weber
Forum Guru
Topics: 77
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so whats ur choice
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| sarika
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a
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| reet
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qrs increase,,qt increase.. but PR inc or dec???
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| reet
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E ??... PR decrease
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| Doc2378
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Is it E?
Quinidine increases AV conduction (difference from Digoxin, which is a vagomimetic) so decreases the PR interval, while its a Class IA Na channel blocker so increases the APD ie prolongs the QT and QRS duration...
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Courage does not always ROAR. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow" - Mary Anne Radmacher
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| sturge_weber
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Topics: 77
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yep u guys got it right
the quinidine has antimuscarinic blocking activity and hence increases the conduction thro the av node and this would lead to decrease pr interval
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| Doc2378
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Thanks Sturge...must say your questions are quite picky!
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Courage does not always ROAR. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow" - Mary Anne Radmacher
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| sturge_weber
Forum Guru
Topics: 77
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haha i got most of them wrong, so chill and enjoy them.....
i thought everyone will learn from discussing these
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