Medical Definition of Upper nodal extrasystole

1. An obsolete term for a nodal extrasystole supposed to arise from the upper part of the A-V node; recognised in the electrocardiogram by a retrograde P wave preceding the QRS complex by an abnormally short P-R interval. (05 Mar 2000)

Upper Nodal Extrasystole Pictures

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Lexicographical Neighbors of Upper Nodal Extrasystole

upper jaw bone
upper jawbone
upper lateral cutaneous nerve of arm
upper leaf zone
upper lid
upper limb
upper limit
upper limits
upper lip
upper lobe of lung
upper mantle
upper memory area
upper motor neuron
upper motor neuron lesion
upper nodal extrasystole (current term)
upper quartile
upper quartiles
upper respiratory infection
upper respiratory tract
upper semi-continuous
upper semicontinuous
upper side
upper sides
upper subscapular nerve
upper surface
upper thoracic splanchnic nerves
upper uterine segment

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