Which finding would alert the nurse to a potential problem in a newborn undergoing critical congenital heart disease testing?
A) An SpO2 of 94% on room air on the right hand and right foot
B) An SpO2 of 98% on room air on the right hand and right foot
C) An SpO2 of 96% on room air on the right hand with less than a 3% difference on the left foot
D) An SpO2 of 98% on room air on the right hand and left foot
A) An SpO2 of 94% on room air on the right hand and right foot
Explanation: A) A negative CCHD screening includes pulse oximeter readings of greater than 95% on room air on the right hand (preductal) and either foot (postductal) or less than a 3% difference between the preductal and postductal readings. A positive CCHD screening would be SpO2 of 90-94% in the hand and foot or a hand-foot absolute difference greater than 3%. If the first CCHD screening results in a positive result, the test is repeated after 1 hour up to three times. A confirmed positive result, that is, SpO2 of less than 90% in hand or foot or three repeated positive screens, results in referral of the infant for an echocardiogram and further medical evaluation.
B) A negative CCHD screening includes pulse oximeter readings of greater than 95% on room air on the right hand (preductal) and either foot (postductal) or less than a 3% difference between the preductal and postductal readings. A positive CCHD screening would be SpO2 of 90-94% in the hand and foot or a hand-foot absolute difference greater than 3%. If the first CCHD screening results in a positive result, the test is repeated after 1 hour up to three times. A confirmed positive result, that is, SpO2 of less than 90% in hand or foot or three repeated positive screens, results in referral of the infant for an echocardiogram and further medical evaluation.
C) A negative CCHD screening includes pulse oximeter readings of greater than 95% on room air on the right hand (preductal) and either foot (postductal) or less than a 3% difference between the preductal and postductal readings. A positive CCHD screening would be SpO2 of 90-94% in the hand and foot or a hand-foot absolute difference greater than 3%. If the first CCHD screening results in a positive result, the test is repeated after 1 hour up to three times. A confirmed positive result, that is, SpO2 of less than 90% in hand or foot or three repeated positive screens, results in referral of the infant for an echocardiogram and further medical evaluation.
D) A negative CCHD screening includes pulse oximeter readings of greater than 95% on room air on the right hand (preductal) and either foot (postductal) or less than a 3% difference between the preductal and postductal readings. A positive CCHD screening would be SpO2 of 90-94% in the hand and foot or a hand-foot absolute difference greater than 3%. If the first CCHD screening results in a positive result, the test is repeated after 1 hour up to three times. A confirmed positive result, that is, SpO2 of less than 90% in hand or foot or three repeated positive screens, results in referral of the infant for an echocardiogram and further medical evaluation.
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