Patent ductus arteriosus electrocardiogram: Difference between revisions
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#'''Small PDA''': the EKG is normal. | #'''Small PDA''': the EKG is normal. | ||
#'''Medium-sized PDA''': there is [[LVH]], LA increase, prolonged [[PR interval]] and eventual [[atrial fibrillation]]. | #'''Medium-sized PDA''': there is [[LVH]], LA increase, prolonged [[PR interval]] and eventual [[atrial fibrillation]]. | ||
#'''Large-sized PDA''': is similar to that of a [[VSD]] complicated by [[pulmonary hypertension]] | #'''Large-sized PDA''': is similar to that of a [[VSD]] complicated by [[pulmonary hypertension]]. One can also expect: | ||
##Evidence of [[LVH]] is decreased or absent because there is essentially normal volume work by the LV. | |||
##There is [[RVH]] instead with a large R wave in V1. No Rsr' like [[ASD]]. | |||
##Marked right axis deviation is common. | |||
##Peaked RA p waves are present | |||
==References== | ==References== | ||
Revision as of 18:02, 14 July 2011
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Associate Editor-In-Chief:Cafer Zorkun, M.D., Ph.D. [2]; Keri Shafer, M.D. [3] Priyamvada Singh, MBBS [[4]]
Assistant Editor-In-Chief: Kristin Feeney, B.S. [[5]]
Electrocardiogram
An electrocardiogram will appear differently depending on the severity of disease onset. In general, one can expect:
- Small PDA: the EKG is normal.
- Medium-sized PDA: there is LVH, LA increase, prolonged PR interval and eventual atrial fibrillation.
- Large-sized PDA: is similar to that of a VSD complicated by pulmonary hypertension. One can also expect: