A 2-hour-old full-term neonate has episodes of cyanosis. When they try to feed him, his oxygen level drops to 60%. But when he is cries, his oxygen levels increases above 90%. Which of the following should be done to diagnose this case?
Anonymous Quiz
Bronchoscopic evaluation of palate and larynx.
Echocardiogram
Hemoglobin electrophoresis
Passage of catheter into nose
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