Scrotal Doppler ultrasonography (scrotal US) has been commonly used for evaluating patients with suspected testicular torsion (TT).1,2 However, scrotal US is not available in all medical facilities. Comparatively, pulse oximetry is easily available at all institutions; it is used for monitoring pulse oximeter saturation (SpO2) with an accuracy equivalent to that of conventional arterial oxygen saturation (Sao2) and is the standard for noninvasive Sao2 monitoring in most medical facilities.3 We evaluated the SpO2 and pulse rate (PR) values on the scrotums of patients undergoing exploration for TT to determine whether these values are feasible for monitoring testicular viability in TT.

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