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COMMENTS & OPINIONS
Palpable Pulse Delay in Subclavian Steal
John S. Hege, MD
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Eguchi et al1 show that real blood pressure differences between right and left arms are rare, but when present, indicate arterial obstruction on the side where the blood pressure is lower. They note that it is still recommended that blood pressure be recorded bilaterally on the first visit to detect those rare individuals with arterial obstruction in the upper extremity circulation.
But in many individuals, blood pressures can change 10 to 20 mm Hg or more over short intervals, and it takes multiple measurements of right and left arm blood pressures to be confident any difference is real.
In my patients in whom subclavian steal syndrome has been diagnosed, the radial pulse on the affected side is delayed relative to the unaffected side, and the delay is readily detectible if right and left radial pulses are palpated simultaneously.
I believe that screening for upper limb arterial . . . [Full Text of this Article] AUTHOR INFORMATION
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